Finding the Third Proportional to 59,074.31 and 87,685.03

Step by Step Solution

1. Step 1: Write the proportion equation
   59,074.31 : 87,685.03 = 87,685.03 : x
2. Step 2: Convert to fraction form
   59,074.31/87,685.03 = 87,685.03/x
3. Step 3: Cross multiply
   59,074.31x = 87,685.03 × 87,685.03
4. Step 4: Simplify right side
   59,074.31x = 7,688,664,705.31
5. Step 5: Solve for x
   x = 7,688,664,705.31/59,074.31
6. Step 6: Final answer
   x = 130,152.42