Finding the Third Proportional to 72,319.50 and 157,079.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,319.50 : 157,079.25 = 157,079.25 : x
2. Step 2: Convert to fraction form
   72,319.50/157,079.25 = 157,079.25/x
3. Step 3: Cross multiply
   72,319.50x = 157,079.25 × 157,079.25
4. Step 4: Simplify right side
   72,319.50x = 24,673,890,780.56
5. Step 5: Solve for x
   x = 24,673,890,780.56/72,319.50
6. Step 6: Final answer
   x = 341,178.95