Finding the Third Proportional to 722,947 and 1,570,345

Step by Step Solution

1. Step 1: Write the proportion equation
   722,947 : 1,570,345 = 1,570,345 : x
2. Step 2: Convert to fraction form
   722,947/1,570,345 = 1,570,345/x
3. Step 3: Cross multiply
   722,947x = 1,570,345 × 1,570,345
4. Step 4: Simplify right side
   722,947x = 2,465,983,419,025
5. Step 5: Solve for x
   x = 2,465,983,419,025/722,947
6. Step 6: Final answer
   x = 3,411,015.49