Finding the Third Proportional to 2,109,432 and 4,368,396

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,432 : 4,368,396 = 4,368,396 : x
2. Step 2: Convert to fraction form
   2,109,432/4,368,396 = 4,368,396/x
3. Step 3: Cross multiply
   2,109,432x = 4,368,396 × 4,368,396
4. Step 4: Simplify right side
   2,109,432x = 19,082,883,612,816
5. Step 5: Solve for x
   x = 19,082,883,612,816/2,109,432
6. Step 6: Final answer
   x = 9,046,455.92