Finding the Third Proportional to 5,221,904 and 7,982,928

Step by Step Solution

1. Step 1: Write the proportion equation
   5,221,904 : 7,982,928 = 7,982,928 : x
2. Step 2: Convert to fraction form
   5,221,904/7,982,928 = 7,982,928/x
3. Step 3: Cross multiply
   5,221,904x = 7,982,928 × 7,982,928
4. Step 4: Simplify right side
   5,221,904x = 63,727,139,453,184
5. Step 5: Solve for x
   x = 63,727,139,453,184/5,221,904
6. Step 6: Final answer
   x = 12,203,812.91