Finding the Third Proportional to 147,418.50 and 322,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,418.50 : 322,441.50 = 322,441.50 : x
2. Step 2: Convert to fraction form
   147,418.50/322,441.50 = 322,441.50/x
3. Step 3: Cross multiply
   147,418.50x = 322,441.50 × 322,441.50
4. Step 4: Simplify right side
   147,418.50x = 103,968,520,922.25
5. Step 5: Solve for x
   x = 103,968,520,922.25/147,418.50
6. Step 6: Final answer
   x = 705,261.01