Finding the Third Proportional to 723,400 and 1,571,340

Step by Step Solution

1. Step 1: Write the proportion equation
   723,400 : 1,571,340 = 1,571,340 : x
2. Step 2: Convert to fraction form
   723,400/1,571,340 = 1,571,340/x
3. Step 3: Cross multiply
   723,400x = 1,571,340 × 1,571,340
4. Step 4: Simplify right side
   723,400x = 2,469,109,395,600
5. Step 5: Solve for x
   x = 2,469,109,395,600/723,400
6. Step 6: Final answer
   x = 3,413,200.71