Finding the Third Proportional to 988,464 and 2,169,384

Step by Step Solution

1. Step 1: Write the proportion equation
   988,464 : 2,169,384 = 2,169,384 : x
2. Step 2: Convert to fraction form
   988,464/2,169,384 = 2,169,384/x
3. Step 3: Cross multiply
   988,464x = 2,169,384 × 2,169,384
4. Step 4: Simplify right side
   988,464x = 4,706,226,939,456
5. Step 5: Solve for x
   x = 4,706,226,939,456/988,464
6. Step 6: Final answer
   x = 4,761,151.58