Finding the Third Proportional to 5,218,352 and 7,983,160

Step by Step Solution

1. Step 1: Write the proportion equation
   5,218,352 : 7,983,160 = 7,983,160 : x
2. Step 2: Convert to fraction form
   5,218,352/7,983,160 = 7,983,160/x
3. Step 3: Cross multiply
   5,218,352x = 7,983,160 × 7,983,160
4. Step 4: Simplify right side
   5,218,352x = 63,730,843,585,600
5. Step 5: Solve for x
   x = 63,730,843,585,600/5,218,352
6. Step 6: Final answer
   x = 12,212,829.56