Finding the Third Proportional to 31,225,984.69 and 67,664,655.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,225,984.69 : 67,664,655.94 = 67,664,655.94 : x
2. Step 2: Convert to fraction form
   31,225,984.69/67,664,655.94 = 67,664,655.94/x
3. Step 3: Cross multiply
   31,225,984.69x = 67,664,655.94 × 67,664,655.94
4. Step 4: Simplify right side
   31,225,984.69x = 4,578,505,663,140,254
5. Step 5: Solve for x
   x = 4,578,505,663,140,254/31,225,984.69
6. Step 6: Final answer
   x = 146,624,860.96