Finding the Third Proportional to 42,472 and 63,724

Step by Step Solution

1. Step 1: Write the proportion equation
   42,472 : 63,724 = 63,724 : x
2. Step 2: Convert to fraction form
   42,472/63,724 = 63,724/x
3. Step 3: Cross multiply
   42,472x = 63,724 × 63,724
4. Step 4: Simplify right side
   42,472x = 4,060,748,176
5. Step 5: Solve for x
   x = 4,060,748,176/42,472
6. Step 6: Final answer
   x = 95,610.01