Finding the Third Proportional to 80,555,274 and 123,891,187.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,555,274 : 123,891,187.50 = 123,891,187.50 : x
2. Step 2: Convert to fraction form
   80,555,274/123,891,187.50 = 123,891,187.50/x
3. Step 3: Cross multiply
   80,555,274x = 123,891,187.50 × 123,891,187.50
4. Step 4: Simplify right side
   80,555,274x = 15,349,026,340,160,156
5. Step 5: Solve for x
   x = 15,349,026,340,160,156/80,555,274
6. Step 6: Final answer
   x = 190,540,303.30