Finding the Third Proportional to 59,474.63 and 87,569.06

Step by Step Solution

1. Step 1: Write the proportion equation
   59,474.63 : 87,569.06 = 87,569.06 : x
2. Step 2: Convert to fraction form
   59,474.63/87,569.06 = 87,569.06/x
3. Step 3: Cross multiply
   59,474.63x = 87,569.06 × 87,569.06
4. Step 4: Simplify right side
   59,474.63x = 7,668,340,707.13
5. Step 5: Solve for x
   x = 7,668,340,707.13/59,474.63
6. Step 6: Final answer
   x = 128,934.66