Finding the Third Proportional to 560,081.25 and 861,404.63

Step by Step Solution

1. Step 1: Write the proportion equation
   560,081.25 : 861,404.63 = 861,404.63 : x
2. Step 2: Convert to fraction form
   560,081.25/861,404.63 = 861,404.63/x
3. Step 3: Cross multiply
   560,081.25x = 861,404.63 × 861,404.63
4. Step 4: Simplify right side
   560,081.25x = 742,017,927,971.39
5. Step 5: Solve for x
   x = 742,017,927,971.39/560,081.25
6. Step 6: Final answer
   x = 1,324,839.79