Finding the Third Proportional to 862,972 and 1,877,448

Step by Step Solution

1. Step 1: Write the proportion equation
   862,972 : 1,877,448 = 1,877,448 : x
2. Step 2: Convert to fraction form
   862,972/1,877,448 = 1,877,448/x
3. Step 3: Cross multiply
   862,972x = 1,877,448 × 1,877,448
4. Step 4: Simplify right side
   862,972x = 3,524,810,992,704
5. Step 5: Solve for x
   x = 3,524,810,992,704/862,972
6. Step 6: Final answer
   x = 4,084,502.15