Finding the Third Proportional to 71,099.63 and 155,591.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,099.63 : 155,591.25 = 155,591.25 : x
2. Step 2: Convert to fraction form
   71,099.63/155,591.25 = 155,591.25/x
3. Step 3: Cross multiply
   71,099.63x = 155,591.25 × 155,591.25
4. Step 4: Simplify right side
   71,099.63x = 24,208,637,076.56
5. Step 5: Solve for x
   x = 24,208,637,076.56/71,099.63
6. Step 6: Final answer
   x = 340,488.96