Finding the Third Proportional to 78,248,841,872 and 169,490,995,835

Step by Step Solution

1. Step 1: Write the proportion equation
   78,248,841,872 : 169,490,995,835 = 169,490,995,835 : x
2. Step 2: Convert to fraction form
   78,248,841,872/169,490,995,835 = 169,490,995,835/x
3. Step 3: Cross multiply
   78,248,841,872x = 169,490,995,835 × 169,490,995,835
4. Step 4: Simplify right side
   78,248,841,872x = 28,727,197,669,139,987,562,496
5. Step 5: Solve for x
   x = 28,727,197,669,139,987,562,496/78,248,841,872
6. Step 6: Final answer
   x = 367,126,170,584.51