Finding the Third Proportional to 148,180.50 and 324,468

Step by Step Solution

1. Step 1: Write the proportion equation
   148,180.50 : 324,468 = 324,468 : x
2. Step 2: Convert to fraction form
   148,180.50/324,468 = 324,468/x
3. Step 3: Cross multiply
   148,180.50x = 324,468 × 324,468
4. Step 4: Simplify right side
   148,180.50x = 105,279,483,024
5. Step 5: Solve for x
   x = 105,279,483,024/148,180.50
6. Step 6: Final answer
   x = 710,481.36