Finding the Third Proportional to 5,375,674 and 8,323,521

Step by Step Solution

1. Step 1: Write the proportion equation
   5,375,674 : 8,323,521 = 8,323,521 : x
2. Step 2: Convert to fraction form
   5,375,674/8,323,521 = 8,323,521/x
3. Step 3: Cross multiply
   5,375,674x = 8,323,521 × 8,323,521
4. Step 4: Simplify right side
   5,375,674x = 69,281,001,837,441
5. Step 5: Solve for x
   x = 69,281,001,837,441/5,375,674
6. Step 6: Final answer
   x = 12,887,872.63