Finding the Third Proportional to 688,704 and 1,052,788

Step by Step Solution

1. Step 1: Write the proportion equation
   688,704 : 1,052,788 = 1,052,788 : x
2. Step 2: Convert to fraction form
   688,704/1,052,788 = 1,052,788/x
3. Step 3: Cross multiply
   688,704x = 1,052,788 × 1,052,788
4. Step 4: Simplify right side
   688,704x = 1,108,362,572,944
5. Step 5: Solve for x
   x = 1,108,362,572,944/688,704
6. Step 6: Final answer
   x = 1,609,345.34