Finding the Third Proportional to 57,079 and 91,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,079 : 91,153.50 = 91,153.50 : x
2. Step 2: Convert to fraction form
   57,079/91,153.50 = 91,153.50/x
3. Step 3: Cross multiply
   57,079x = 91,153.50 × 91,153.50
4. Step 4: Simplify right side
   57,079x = 8,308,960,562.25
5. Step 5: Solve for x
   x = 8,308,960,562.25/57,079
6. Step 6: Final answer
   x = 145,569.48