Finding the Third Proportional to 58,337.25 and 90,499.88

Step by Step Solution

1. Step 1: Write the proportion equation
   58,337.25 : 90,499.88 = 90,499.88 : x
2. Step 2: Convert to fraction form
   58,337.25/90,499.88 = 90,499.88/x
3. Step 3: Cross multiply
   58,337.25x = 90,499.88 × 90,499.88
4. Step 4: Simplify right side
   58,337.25x = 8,190,227,375.02
5. Step 5: Solve for x
   x = 8,190,227,375.02/58,337.25
6. Step 6: Final answer
   x = 140,394.47