Finding the Third Proportional to 724,956 and 1,705,686

Step by Step Solution

1. Step 1: Write the proportion equation
   724,956 : 1,705,686 = 1,705,686 : x
2. Step 2: Convert to fraction form
   724,956/1,705,686 = 1,705,686/x
3. Step 3: Cross multiply
   724,956x = 1,705,686 × 1,705,686
4. Step 4: Simplify right side
   724,956x = 2,909,364,730,596
5. Step 5: Solve for x
   x = 2,909,364,730,596/724,956
6. Step 6: Final answer
   x = 4,013,160.43