Finding the Third Proportional to 73,915.25 and 153,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,915.25 : 153,080.50 = 153,080.50 : x
2. Step 2: Convert to fraction form
   73,915.25/153,080.50 = 153,080.50/x
3. Step 3: Cross multiply
   73,915.25x = 153,080.50 × 153,080.50
4. Step 4: Simplify right side
   73,915.25x = 23,433,639,480.25
5. Step 5: Solve for x
   x = 23,433,639,480.25/73,915.25
6. Step 6: Final answer
   x = 317,033.89