Finding the Third Proportional to 1,690,918 and 3,746,419

Step by Step Solution

1. Step 1: Write the proportion equation
   1,690,918 : 3,746,419 = 3,746,419 : x
2. Step 2: Convert to fraction form
   1,690,918/3,746,419 = 3,746,419/x
3. Step 3: Cross multiply
   1,690,918x = 3,746,419 × 3,746,419
4. Step 4: Simplify right side
   1,690,918x = 14,035,655,323,561
5. Step 5: Solve for x
   x = 14,035,655,323,561/1,690,918
6. Step 6: Final answer
   x = 8,300,612.64