Finding the Third Proportional to 852,468 and 1,420,578

Step by Step Solution

1. Step 1: Write the proportion equation
   852,468 : 1,420,578 = 1,420,578 : x
2. Step 2: Convert to fraction form
   852,468/1,420,578 = 1,420,578/x
3. Step 3: Cross multiply
   852,468x = 1,420,578 × 1,420,578
4. Step 4: Simplify right side
   852,468x = 2,018,041,854,084
5. Step 5: Solve for x
   x = 2,018,041,854,084/852,468
6. Step 6: Final answer
   x = 2,367,293.38