Finding the Third Proportional to 59,470.31 and 86,972.63

Step by Step Solution

1. Step 1: Write the proportion equation
   59,470.31 : 86,972.63 = 86,972.63 : x
2. Step 2: Convert to fraction form
   59,470.31/86,972.63 = 86,972.63/x
3. Step 3: Cross multiply
   59,470.31x = 86,972.63 × 86,972.63
4. Step 4: Simplify right side
   59,470.31x = 7,564,237,499.39
5. Step 5: Solve for x
   x = 7,564,237,499.39/59,470.31
6. Step 6: Final answer
   x = 127,193.51