Finding the Third Proportional to 1,920,401 and 4,138,230

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920,401 : 4,138,230 = 4,138,230 : x
2. Step 2: Convert to fraction form
   1,920,401/4,138,230 = 4,138,230/x
3. Step 3: Cross multiply
   1,920,401x = 4,138,230 × 4,138,230
4. Step 4: Simplify right side
   1,920,401x = 17,124,947,532,900
5. Step 5: Solve for x
   x = 17,124,947,532,900/1,920,401
6. Step 6: Final answer
   x = 8,917,381.07