Finding the Third Proportional to 57,476.50 and 89,709

Step by Step Solution

1. Step 1: Write the proportion equation
   57,476.50 : 89,709 = 89,709 : x
2. Step 2: Convert to fraction form
   57,476.50/89,709 = 89,709/x
3. Step 3: Cross multiply
   57,476.50x = 89,709 × 89,709
4. Step 4: Simplify right side
   57,476.50x = 8,047,704,681
5. Step 5: Solve for x
   x = 8,047,704,681/57,476.50
6. Step 6: Final answer
   x = 140,017.31