Finding the Third Proportional to 16,129.97 and 34,731.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,129.97 : 34,731.70 = 34,731.70 : x
2. Step 2: Convert to fraction form
   16,129.97/34,731.70 = 34,731.70/x
3. Step 3: Cross multiply
   16,129.97x = 34,731.70 × 34,731.70
4. Step 4: Simplify right side
   16,129.97x = 1,206,291,201.96
5. Step 5: Solve for x
   x = 1,206,291,201.96/16,129.97
6. Step 6: Final answer
   x = 74,785.71