Finding the Third Proportional to 59,281.75 and 90,427.88

Step by Step Solution

1. Step 1: Write the proportion equation
   59,281.75 : 90,427.88 = 90,427.88 : x
2. Step 2: Convert to fraction form
   59,281.75/90,427.88 = 90,427.88/x
3. Step 3: Cross multiply
   59,281.75x = 90,427.88 × 90,427.88
4. Step 4: Simplify right side
   59,281.75x = 8,177,200,577.02
5. Step 5: Solve for x
   x = 8,177,200,577.02/59,281.75
6. Step 6: Final answer
   x = 137,937.91