Finding the Third Proportional to 2,138,820 and 4,755,846

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,820 : 4,755,846 = 4,755,846 : x
2. Step 2: Convert to fraction form
   2,138,820/4,755,846 = 4,755,846/x
3. Step 3: Cross multiply
   2,138,820x = 4,755,846 × 4,755,846
4. Step 4: Simplify right side
   2,138,820x = 22,618,071,175,716
5. Step 5: Solve for x
   x = 22,618,071,175,716/2,138,820
6. Step 6: Final answer
   x = 10,575,023.23