Finding the Third Proportional to 42,248.25 and 90,493.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,248.25 : 90,493.88 = 90,493.88 : x
2. Step 2: Convert to fraction form
   42,248.25/90,493.88 = 90,493.88/x
3. Step 3: Cross multiply
   42,248.25x = 90,493.88 × 90,493.88
4. Step 4: Simplify right side
   42,248.25x = 8,189,141,412.52
5. Step 5: Solve for x
   x = 8,189,141,412.52/42,248.25
6. Step 6: Final answer
   x = 193,833.86