Finding the Third Proportional to 62,509.50 and 89,322.75

Step by Step Solution

1. Step 1: Write the proportion equation
   62,509.50 : 89,322.75 = 89,322.75 : x
2. Step 2: Convert to fraction form
   62,509.50/89,322.75 = 89,322.75/x
3. Step 3: Cross multiply
   62,509.50x = 89,322.75 × 89,322.75
4. Step 4: Simplify right side
   62,509.50x = 7,978,553,667.56
5. Step 5: Solve for x
   x = 7,978,553,667.56/62,509.50
6. Step 6: Final answer
   x = 127,637.46