Finding the Third Proportional to 4,921,885 and 7,703,406

Step by Step Solution

1. Step 1: Write the proportion equation
   4,921,885 : 7,703,406 = 7,703,406 : x
2. Step 2: Convert to fraction form
   4,921,885/7,703,406 = 7,703,406/x
3. Step 3: Cross multiply
   4,921,885x = 7,703,406 × 7,703,406
4. Step 4: Simplify right side
   4,921,885x = 59,342,464,000,836
5. Step 5: Solve for x
   x = 59,342,464,000,836/4,921,885
6. Step 6: Final answer
   x = 12,056,857.08