Finding the Third Proportional to 76,760,368.50 and 109,768,231.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,760,368.50 : 109,768,231.50 = 109,768,231.50 : x
2. Step 2: Convert to fraction form
   76,760,368.50/109,768,231.50 = 109,768,231.50/x
3. Step 3: Cross multiply
   76,760,368.50x = 109,768,231.50 × 109,768,231.50
4. Step 4: Simplify right side
   76,760,368.50x = 12,049,064,646,637,592
5. Step 5: Solve for x
   x = 12,049,064,646,637,592/76,760,368.50
6. Step 6: Final answer
   x = 156,969,864.56