Finding the Third Proportional to 1,285,464 and 1,888,416

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,464 : 1,888,416 = 1,888,416 : x
2. Step 2: Convert to fraction form
   1,285,464/1,888,416 = 1,888,416/x
3. Step 3: Cross multiply
   1,285,464x = 1,888,416 × 1,888,416
4. Step 4: Simplify right side
   1,285,464x = 3,566,114,989,056
5. Step 5: Solve for x
   x = 3,566,114,989,056/1,285,464
6. Step 6: Final answer
   x = 2,774,185.03