Finding the Third Proportional to 72,651 and 156,434.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,651 : 156,434.25 = 156,434.25 : x
2. Step 2: Convert to fraction form
   72,651/156,434.25 = 156,434.25/x
3. Step 3: Cross multiply
   72,651x = 156,434.25 × 156,434.25
4. Step 4: Simplify right side
   72,651x = 24,471,674,573.06
5. Step 5: Solve for x
   x = 24,471,674,573.06/72,651
6. Step 6: Final answer
   x = 336,838.79