Finding the Third Proportional to 12,710.25 and 29,691.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,710.25 : 29,691.56 = 29,691.56 : x
2. Step 2: Convert to fraction form
   12,710.25/29,691.56 = 29,691.56/x
3. Step 3: Cross multiply
   12,710.25x = 29,691.56 × 29,691.56
4. Step 4: Simplify right side
   12,710.25x = 881,588,883.69
5. Step 5: Solve for x
   x = 881,588,883.69/12,710.25
6. Step 6: Final answer
   x = 69,360.47