Finding the Third Proportional to 5,921,432 and 12,913,766

Step by Step Solution

1. Step 1: Write the proportion equation
   5,921,432 : 12,913,766 = 12,913,766 : x
2. Step 2: Convert to fraction form
   5,921,432/12,913,766 = 12,913,766/x
3. Step 3: Cross multiply
   5,921,432x = 12,913,766 × 12,913,766
4. Step 4: Simplify right side
   5,921,432x = 166,765,352,302,756
5. Step 5: Solve for x
   x = 166,765,352,302,756/5,921,432
6. Step 6: Final answer
   x = 28,163,010.62