Finding the Third Proportional to 42,496 and 90,776

Step by Step Solution

1. Step 1: Write the proportion equation
   42,496 : 90,776 = 90,776 : x
2. Step 2: Convert to fraction form
   42,496/90,776 = 90,776/x
3. Step 3: Cross multiply
   42,496x = 90,776 × 90,776
4. Step 4: Simplify right side
   42,496x = 8,240,282,176
5. Step 5: Solve for x
   x = 8,240,282,176/42,496
6. Step 6: Final answer
   x = 193,907.24