Finding the Third Proportional to 709,765.50 and 1,073,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   709,765.50 : 1,073,116.50 = 1,073,116.50 : x
2. Step 2: Convert to fraction form
   709,765.50/1,073,116.50 = 1,073,116.50/x
3. Step 3: Cross multiply
   709,765.50x = 1,073,116.50 × 1,073,116.50
4. Step 4: Simplify right side
   709,765.50x = 1,151,579,022,572.25
5. Step 5: Solve for x
   x = 1,151,579,022,572.25/709,765.50
6. Step 6: Final answer
   x = 1,622,478.16