Finding the Third Proportional to 147,486 and 321,761.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,486 : 321,761.50 = 321,761.50 : x
2. Step 2: Convert to fraction form
   147,486/321,761.50 = 321,761.50/x
3. Step 3: Cross multiply
   147,486x = 321,761.50 × 321,761.50
4. Step 4: Simplify right side
   147,486x = 103,530,462,882.25
5. Step 5: Solve for x
   x = 103,530,462,882.25/147,486
6. Step 6: Final answer
   x = 701,968.07