Finding the Third Proportional to 1,943,340 and 4,269,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,943,340 : 4,269,288 = 4,269,288 : x
2. Step 2: Convert to fraction form
   1,943,340/4,269,288 = 4,269,288/x
3. Step 3: Cross multiply
   1,943,340x = 4,269,288 × 4,269,288
4. Step 4: Simplify right side
   1,943,340x = 18,226,820,026,944
5. Step 5: Solve for x
   x = 18,226,820,026,944/1,943,340
6. Step 6: Final answer
   x = 9,379,120.50