Finding the Third Proportional to 42,659 and 99,657

Step by Step Solution

1. Step 1: Write the proportion equation
   42,659 : 99,657 = 99,657 : x
2. Step 2: Convert to fraction form
   42,659/99,657 = 99,657/x
3. Step 3: Cross multiply
   42,659x = 99,657 × 99,657
4. Step 4: Simplify right side
   42,659x = 9,931,517,649
5. Step 5: Solve for x
   x = 9,931,517,649/42,659
6. Step 6: Final answer
   x = 232,811.78