Finding the Third Proportional to 153,940.50 and 297,216

Step by Step Solution

1. Step 1: Write the proportion equation
   153,940.50 : 297,216 = 297,216 : x
2. Step 2: Convert to fraction form
   153,940.50/297,216 = 297,216/x
3. Step 3: Cross multiply
   153,940.50x = 297,216 × 297,216
4. Step 4: Simplify right side
   153,940.50x = 88,337,350,656
5. Step 5: Solve for x
   x = 88,337,350,656/153,940.50
6. Step 6: Final answer
   x = 573,840.87