Finding the Third Proportional to 45,158.50 and 83,240.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,158.50 : 83,240.50 = 83,240.50 : x
2. Step 2: Convert to fraction form
   45,158.50/83,240.50 = 83,240.50/x
3. Step 3: Cross multiply
   45,158.50x = 83,240.50 × 83,240.50
4. Step 4: Simplify right side
   45,158.50x = 6,928,980,840.25
5. Step 5: Solve for x
   x = 6,928,980,840.25/45,158.50
6. Step 6: Final answer
   x = 153,436.91