Finding the Third Proportional to 71,838.28 and 156,111.47

Step by Step Solution

1. Step 1: Write the proportion equation
   71,838.28 : 156,111.47 = 156,111.47 : x
2. Step 2: Convert to fraction form
   71,838.28/156,111.47 = 156,111.47/x
3. Step 3: Cross multiply
   71,838.28x = 156,111.47 × 156,111.47
4. Step 4: Simplify right side
   71,838.28x = 24,370,790,675.28
5. Step 5: Solve for x
   x = 24,370,790,675.28/71,838.28
6. Step 6: Final answer
   x = 339,245.18