Finding the Third Proportional to 625,448 and 1,219,792

Step by Step Solution

1. Step 1: Write the proportion equation
   625,448 : 1,219,792 = 1,219,792 : x
2. Step 2: Convert to fraction form
   625,448/1,219,792 = 1,219,792/x
3. Step 3: Cross multiply
   625,448x = 1,219,792 × 1,219,792
4. Step 4: Simplify right side
   625,448x = 1,487,892,523,264
5. Step 5: Solve for x
   x = 1,487,892,523,264/625,448
6. Step 6: Final answer
   x = 2,378,922.83