Finding the Third Proportional to 724,665 and 1,574,190

Step by Step Solution

1. Step 1: Write the proportion equation
   724,665 : 1,574,190 = 1,574,190 : x
2. Step 2: Convert to fraction form
   724,665/1,574,190 = 1,574,190/x
3. Step 3: Cross multiply
   724,665x = 1,574,190 × 1,574,190
4. Step 4: Simplify right side
   724,665x = 2,478,074,156,100
5. Step 5: Solve for x
   x = 2,478,074,156,100/724,665
6. Step 6: Final answer
   x = 3,419,613.42