Finding the Third Proportional to 2,489,432 and 5,460,784

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489,432 : 5,460,784 = 5,460,784 : x
2. Step 2: Convert to fraction form
   2,489,432/5,460,784 = 5,460,784/x
3. Step 3: Cross multiply
   2,489,432x = 5,460,784 × 5,460,784
4. Step 4: Simplify right side
   2,489,432x = 29,820,161,894,656
5. Step 5: Solve for x
   x = 29,820,161,894,656/2,489,432
6. Step 6: Final answer
   x = 11,978,701.12