Finding the Third Proportional to 1,547,878 and 2,391,866

Step by Step Solution

1. Step 1: Write the proportion equation
   1,547,878 : 2,391,866 = 2,391,866 : x
2. Step 2: Convert to fraction form
   1,547,878/2,391,866 = 2,391,866/x
3. Step 3: Cross multiply
   1,547,878x = 2,391,866 × 2,391,866
4. Step 4: Simplify right side
   1,547,878x = 5,721,022,961,956
5. Step 5: Solve for x
   x = 5,721,022,961,956/1,547,878
6. Step 6: Final answer
   x = 3,696,042.56