Finding the Third Proportional to 42,359 and 90,535

Step by Step Solution

1. Step 1: Write the proportion equation
   42,359 : 90,535 = 90,535 : x
2. Step 2: Convert to fraction form
   42,359/90,535 = 90,535/x
3. Step 3: Cross multiply
   42,359x = 90,535 × 90,535
4. Step 4: Simplify right side
   42,359x = 8,196,586,225
5. Step 5: Solve for x
   x = 8,196,586,225/42,359
6. Step 6: Final answer
   x = 193,502.83