Finding the Third Proportional to 326,862 and 711,622.13

Step by Step Solution

1. Step 1: Write the proportion equation
   326,862 : 711,622.13 = 711,622.13 : x
2. Step 2: Convert to fraction form
   326,862/711,622.13 = 711,622.13/x
3. Step 3: Cross multiply
   326,862x = 711,622.13 × 711,622.13
4. Step 4: Simplify right side
   326,862x = 506,406,048,789.52
5. Step 5: Solve for x
   x = 506,406,048,789.52/326,862
6. Step 6: Final answer
   x = 1,549,296.18