Finding the Third Proportional to 147,323.50 and 321,634.23

Step by Step Solution

1. Step 1: Write the proportion equation
   147,323.50 : 321,634.23 = 321,634.23 : x
2. Step 2: Convert to fraction form
   147,323.50/321,634.23 = 321,634.23/x
3. Step 3: Cross multiply
   147,323.50x = 321,634.23 × 321,634.23
4. Step 4: Simplify right side
   147,323.50x = 103,448,578,209.23
5. Step 5: Solve for x
   x = 103,448,578,209.23/147,323.50
6. Step 6: Final answer
   x = 702,186.56