Finding the Third Proportional to 1,984,384 and 4,207,212

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984,384 : 4,207,212 = 4,207,212 : x
2. Step 2: Convert to fraction form
   1,984,384/4,207,212 = 4,207,212/x
3. Step 3: Cross multiply
   1,984,384x = 4,207,212 × 4,207,212
4. Step 4: Simplify right side
   1,984,384x = 17,700,632,812,944
5. Step 5: Solve for x
   x = 17,700,632,812,944/1,984,384
6. Step 6: Final answer
   x = 8,919,963.48