Finding the Third Proportional to 1,138,496 and 2,445,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,138,496 : 2,445,840 = 2,445,840 : x
2. Step 2: Convert to fraction form
   1,138,496/2,445,840 = 2,445,840/x
3. Step 3: Cross multiply
   1,138,496x = 2,445,840 × 2,445,840
4. Step 4: Simplify right side
   1,138,496x = 5,982,133,305,600
5. Step 5: Solve for x
   x = 5,982,133,305,600/1,138,496
6. Step 6: Final answer
   x = 5,254,417.50