Finding the Third Proportional to 5,921,658 and 12,914,216

Step by Step Solution

1. Step 1: Write the proportion equation
   5,921,658 : 12,914,216 = 12,914,216 : x
2. Step 2: Convert to fraction form
   5,921,658/12,914,216 = 12,914,216/x
3. Step 3: Cross multiply
   5,921,658x = 12,914,216 × 12,914,216
4. Step 4: Simplify right side
   5,921,658x = 166,776,974,894,656
5. Step 5: Solve for x
   x = 166,776,974,894,656/5,921,658
6. Step 6: Final answer
   x = 28,163,898.51