Finding the Third Proportional to 42,709 and 63,715

Step by Step Solution

1. Step 1: Write the proportion equation
   42,709 : 63,715 = 63,715 : x
2. Step 2: Convert to fraction form
   42,709/63,715 = 63,715/x
3. Step 3: Cross multiply
   42,709x = 63,715 × 63,715
4. Step 4: Simplify right side
   42,709x = 4,059,601,225
5. Step 5: Solve for x
   x = 4,059,601,225/42,709
6. Step 6: Final answer
   x = 95,052.59