Finding the Third Proportional to 31,229,698 and 67,671,716

Step by Step Solution

1. Step 1: Write the proportion equation
   31,229,698 : 67,671,716 = 67,671,716 : x
2. Step 2: Convert to fraction form
   31,229,698/67,671,716 = 67,671,716/x
3. Step 3: Cross multiply
   31,229,698x = 67,671,716 × 67,671,716
4. Step 4: Simplify right side
   31,229,698x = 4,579,461,146,384,656
5. Step 5: Solve for x
   x = 4,579,461,146,384,656/31,229,698
6. Step 6: Final answer
   x = 146,638,022.13