Finding the Third Proportional to 877,878 and 1,283,364

Step by Step Solution

1. Step 1: Write the proportion equation
   877,878 : 1,283,364 = 1,283,364 : x
2. Step 2: Convert to fraction form
   877,878/1,283,364 = 1,283,364/x
3. Step 3: Cross multiply
   877,878x = 1,283,364 × 1,283,364
4. Step 4: Simplify right side
   877,878x = 1,647,023,156,496
5. Step 5: Solve for x
   x = 1,647,023,156,496/877,878
6. Step 6: Final answer
   x = 1,876,141.28