Finding the Third Proportional to 60,642,778.50 and 131,910,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,642,778.50 : 131,910,817.50 = 131,910,817.50 : x
2. Step 2: Convert to fraction form
   60,642,778.50/131,910,817.50 = 131,910,817.50/x
3. Step 3: Cross multiply
   60,642,778.50x = 131,910,817.50 × 131,910,817.50
4. Step 4: Simplify right side
   60,642,778.50x = 17,400,463,773,518,306
5. Step 5: Solve for x
   x = 17,400,463,773,518,306/60,642,778.50
6. Step 6: Final answer
   x = 286,933,814.77