Finding the Third Proportional to 148,328.72 and 324,572.06

Step by Step Solution

1. Step 1: Write the proportion equation
   148,328.72 : 324,572.06 = 324,572.06 : x
2. Step 2: Convert to fraction form
   148,328.72/324,572.06 = 324,572.06/x
3. Step 3: Cross multiply
   148,328.72x = 324,572.06 × 324,572.06
4. Step 4: Simplify right side
   148,328.72x = 105,347,023,755.50
5. Step 5: Solve for x
   x = 105,347,023,755.50/148,328.72
6. Step 6: Final answer
   x = 710,226.75