Finding the Third Proportional to 59,929.88 and 81,146.81

Step by Step Solution

1. Step 1: Write the proportion equation
   59,929.88 : 81,146.81 = 81,146.81 : x
2. Step 2: Convert to fraction form
   59,929.88/81,146.81 = 81,146.81/x
3. Step 3: Cross multiply
   59,929.88x = 81,146.81 × 81,146.81
4. Step 4: Simplify right side
   59,929.88x = 6,584,805,178.91
5. Step 5: Solve for x
   x = 6,584,805,178.91/59,929.88
6. Step 6: Final answer
   x = 109,875.17