Finding the Third Proportional to 57,156 and 89,004.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,156 : 89,004.75 = 89,004.75 : x
2. Step 2: Convert to fraction form
   57,156/89,004.75 = 89,004.75/x
3. Step 3: Cross multiply
   57,156x = 89,004.75 × 89,004.75
4. Step 4: Simplify right side
   57,156x = 7,921,845,522.56
5. Step 5: Solve for x
   x = 7,921,845,522.56/57,156
6. Step 6: Final answer
   x = 138,600.42