Finding the Third Proportional to 78,248,841,872.50 and 169,490,995,835.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,248,841,872.50 : 169,490,995,835.50 = 169,490,995,835.50 : x
2. Step 2: Convert to fraction form
   78,248,841,872.50/169,490,995,835.50 = 169,490,995,835.50/x
3. Step 3: Cross multiply
   78,248,841,872.50x = 169,490,995,835.50 × 169,490,995,835.50
4. Step 4: Simplify right side
   78,248,841,872.50x = 28,727,197,669,309,479,387,136
5. Step 5: Solve for x
   x = 28,727,197,669,309,479,387,136/78,248,841,872.50
6. Step 6: Final answer
   x = 367,126,170,584.33