Finding the Third Proportional to 877,078 and 1,916,480

Step by Step Solution

1. Step 1: Write the proportion equation
   877,078 : 1,916,480 = 1,916,480 : x
2. Step 2: Convert to fraction form
   877,078/1,916,480 = 1,916,480/x
3. Step 3: Cross multiply
   877,078x = 1,916,480 × 1,916,480
4. Step 4: Simplify right side
   877,078x = 3,672,895,590,400
5. Step 5: Solve for x
   x = 3,672,895,590,400/877,078
6. Step 6: Final answer
   x = 4,187,649.89