Finding the Third Proportional to 72,802.55 and 155,726.30

Step by Step Solution

1. Step 1: Write the proportion equation
   72,802.55 : 155,726.30 = 155,726.30 : x
2. Step 2: Convert to fraction form
   72,802.55/155,726.30 = 155,726.30/x
3. Step 3: Cross multiply
   72,802.55x = 155,726.30 × 155,726.30
4. Step 4: Simplify right side
   72,802.55x = 24,250,679,538.40
5. Step 5: Solve for x
   x = 24,250,679,538.40/72,802.55
6. Step 6: Final answer
   x = 333,102.08