Finding the Third Proportional to 855,484 and 1,851,300

Step by Step Solution

1. Step 1: Write the proportion equation
   855,484 : 1,851,300 = 1,851,300 : x
2. Step 2: Convert to fraction form
   855,484/1,851,300 = 1,851,300/x
3. Step 3: Cross multiply
   855,484x = 1,851,300 × 1,851,300
4. Step 4: Simplify right side
   855,484x = 3,427,311,690,000
5. Step 5: Solve for x
   x = 3,427,311,690,000/855,484
6. Step 6: Final answer
   x = 4,006,283.80