Finding the Third Proportional to 71,916 and 155,698.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,916 : 155,698.50 = 155,698.50 : x
2. Step 2: Convert to fraction form
   71,916/155,698.50 = 155,698.50/x
3. Step 3: Cross multiply
   71,916x = 155,698.50 × 155,698.50
4. Step 4: Simplify right side
   71,916x = 24,242,022,902.25
5. Step 5: Solve for x
   x = 24,242,022,902.25/71,916
6. Step 6: Final answer
   x = 337,088.03