Finding the Third Proportional to 72,069.75 and 157,261.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,069.75 : 157,261.50 = 157,261.50 : x
2. Step 2: Convert to fraction form
   72,069.75/157,261.50 = 157,261.50/x
3. Step 3: Cross multiply
   72,069.75x = 157,261.50 × 157,261.50
4. Step 4: Simplify right side
   72,069.75x = 24,731,179,382.25
5. Step 5: Solve for x
   x = 24,731,179,382.25/72,069.75
6. Step 6: Final answer
   x = 343,156.17