Finding the Third Proportional to 42,409.13 and 63,709.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,409.13 : 63,709.88 = 63,709.88 : x
2. Step 2: Convert to fraction form
   42,409.13/63,709.88 = 63,709.88/x
3. Step 3: Cross multiply
   42,409.13x = 63,709.88 × 63,709.88
4. Step 4: Simplify right side
   42,409.13x = 4,058,948,172.52
5. Step 5: Solve for x
   x = 4,058,948,172.52/42,409.13
6. Step 6: Final answer
   x = 95,709.31