Finding the Third Proportional to 865,484 and 1,876,948

Step by Step Solution

1. Step 1: Write the proportion equation
   865,484 : 1,876,948 = 1,876,948 : x
2. Step 2: Convert to fraction form
   865,484/1,876,948 = 1,876,948/x
3. Step 3: Cross multiply
   865,484x = 1,876,948 × 1,876,948
4. Step 4: Simplify right side
   865,484x = 3,522,933,794,704
5. Step 5: Solve for x
   x = 3,522,933,794,704/865,484
6. Step 6: Final answer
   x = 4,070,478.25