Finding the Third Proportional to 153,100.50 and 332,490

Step by Step Solution

1. Step 1: Write the proportion equation
   153,100.50 : 332,490 = 332,490 : x
2. Step 2: Convert to fraction form
   153,100.50/332,490 = 332,490/x
3. Step 3: Cross multiply
   153,100.50x = 332,490 × 332,490
4. Step 4: Simplify right side
   153,100.50x = 110,549,600,100
5. Step 5: Solve for x
   x = 110,549,600,100/153,100.50
6. Step 6: Final answer
   x = 722,072.10