Finding the Third Proportional to 709,522 and 1,071,663

Step by Step Solution

1. Step 1: Write the proportion equation
   709,522 : 1,071,663 = 1,071,663 : x
2. Step 2: Convert to fraction form
   709,522/1,071,663 = 1,071,663/x
3. Step 3: Cross multiply
   709,522x = 1,071,663 × 1,071,663
4. Step 4: Simplify right side
   709,522x = 1,148,461,585,569
5. Step 5: Solve for x
   x = 1,148,461,585,569/709,522
6. Step 6: Final answer
   x = 1,618,641.26