Finding the Third Proportional to 31,491,172 and 67,812,104

Step by Step Solution

1. Step 1: Write the proportion equation
   31,491,172 : 67,812,104 = 67,812,104 : x
2. Step 2: Convert to fraction form
   31,491,172/67,812,104 = 67,812,104/x
3. Step 3: Cross multiply
   31,491,172x = 67,812,104 × 67,812,104
4. Step 4: Simplify right side
   31,491,172x = 4,598,481,448,906,816
5. Step 5: Solve for x
   x = 4,598,481,448,906,816/31,491,172
6. Step 6: Final answer
   x = 146,024,462.00