Finding the Third Proportional to 847,278 and 1,862,478

Step by Step Solution

1. Step 1: Write the proportion equation
   847,278 : 1,862,478 = 1,862,478 : x
2. Step 2: Convert to fraction form
   847,278/1,862,478 = 1,862,478/x
3. Step 3: Cross multiply
   847,278x = 1,862,478 × 1,862,478
4. Step 4: Simplify right side
   847,278x = 3,468,824,300,484
5. Step 5: Solve for x
   x = 3,468,824,300,484/847,278
6. Step 6: Final answer
   x = 4,094,080.46