Finding the Third Proportional to 1,943,389 and 4,269,385

Step by Step Solution

1. Step 1: Write the proportion equation
   1,943,389 : 4,269,385 = 4,269,385 : x
2. Step 2: Convert to fraction form
   1,943,389/4,269,385 = 4,269,385/x
3. Step 3: Cross multiply
   1,943,389x = 4,269,385 × 4,269,385
4. Step 4: Simplify right side
   1,943,389x = 18,227,648,278,225
5. Step 5: Solve for x
   x = 18,227,648,278,225/1,943,389
6. Step 6: Final answer
   x = 9,379,310.20