Finding the Third Proportional to 146,719.50 and 321,566.25

Step by Step Solution

1. Step 1: Write the proportion equation
   146,719.50 : 321,566.25 = 321,566.25 : x
2. Step 2: Convert to fraction form
   146,719.50/321,566.25 = 321,566.25/x
3. Step 3: Cross multiply
   146,719.50x = 321,566.25 × 321,566.25
4. Step 4: Simplify right side
   146,719.50x = 103,404,853,139.06
5. Step 5: Solve for x
   x = 103,404,853,139.06/146,719.50
6. Step 6: Final answer
   x = 704,779.21