Finding the Third Proportional to 1,862,718 and 4,074,138

Step by Step Solution

1. Step 1: Write the proportion equation
   1,862,718 : 4,074,138 = 4,074,138 : x
2. Step 2: Convert to fraction form
   1,862,718/4,074,138 = 4,074,138/x
3. Step 3: Cross multiply
   1,862,718x = 4,074,138 × 4,074,138
4. Step 4: Simplify right side
   1,862,718x = 16,598,600,443,044
5. Step 5: Solve for x
   x = 16,598,600,443,044/1,862,718
6. Step 6: Final answer
   x = 8,910,957.24