Finding the Third Proportional to 5,307,216 and 7,952,478

Step by Step Solution

1. Step 1: Write the proportion equation
   5,307,216 : 7,952,478 = 7,952,478 : x
2. Step 2: Convert to fraction form
   5,307,216/7,952,478 = 7,952,478/x
3. Step 3: Cross multiply
   5,307,216x = 7,952,478 × 7,952,478
4. Step 4: Simplify right side
   5,307,216x = 63,241,906,340,484
5. Step 5: Solve for x
   x = 63,241,906,340,484/5,307,216
6. Step 6: Final answer
   x = 11,916,211.12