Finding the Third Proportional to 2,790,423 and 4,185,594

Step by Step Solution

1. Step 1: Write the proportion equation
   2,790,423 : 4,185,594 = 4,185,594 : x
2. Step 2: Convert to fraction form
   2,790,423/4,185,594 = 4,185,594/x
3. Step 3: Cross multiply
   2,790,423x = 4,185,594 × 4,185,594
4. Step 4: Simplify right side
   2,790,423x = 17,519,197,132,836
5. Step 5: Solve for x
   x = 17,519,197,132,836/2,790,423
6. Step 6: Final answer
   x = 6,278,330.25