Finding the Third Proportional to 72,471.88 and 157,809.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,471.88 : 157,809.38 = 157,809.38 : x
2. Step 2: Convert to fraction form
   72,471.88/157,809.38 = 157,809.38/x
3. Step 3: Cross multiply
   72,471.88x = 157,809.38 × 157,809.38
4. Step 4: Simplify right side
   72,471.88x = 24,903,798,837.89
5. Step 5: Solve for x
   x = 24,903,798,837.89/72,471.88
6. Step 6: Final answer
   x = 343,633.98