Finding the Third Proportional to 1,142,820 and 2,457,630

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,820 : 2,457,630 = 2,457,630 : x
2. Step 2: Convert to fraction form
   1,142,820/2,457,630 = 2,457,630/x
3. Step 3: Cross multiply
   1,142,820x = 2,457,630 × 2,457,630
4. Step 4: Simplify right side
   1,142,820x = 6,039,945,216,900
5. Step 5: Solve for x
   x = 6,039,945,216,900/1,142,820
6. Step 6: Final answer
   x = 5,285,123.83