Finding the Third Proportional to 709,208 and 1,061,312

Step by Step Solution

1. Step 1: Write the proportion equation
   709,208 : 1,061,312 = 1,061,312 : x
2. Step 2: Convert to fraction form
   709,208/1,061,312 = 1,061,312/x
3. Step 3: Cross multiply
   709,208x = 1,061,312 × 1,061,312
4. Step 4: Simplify right side
   709,208x = 1,126,383,161,344
5. Step 5: Solve for x
   x = 1,126,383,161,344/709,208
6. Step 6: Final answer
   x = 1,588,226.81