Finding the Third Proportional to 71,469.84 and 152,439.47

Step by Step Solution

1. Step 1: Write the proportion equation
   71,469.84 : 152,439.47 = 152,439.47 : x
2. Step 2: Convert to fraction form
   71,469.84/152,439.47 = 152,439.47/x
3. Step 3: Cross multiply
   71,469.84x = 152,439.47 × 152,439.47
4. Step 4: Simplify right side
   71,469.84x = 23,237,791,632.78
5. Step 5: Solve for x
   x = 23,237,791,632.78/71,469.84
6. Step 6: Final answer
   x = 325,141.21