Finding the Third Proportional to 4,921,638 and 7,705,023

Step by Step Solution

1. Step 1: Write the proportion equation
   4,921,638 : 7,705,023 = 7,705,023 : x
2. Step 2: Convert to fraction form
   4,921,638/7,705,023 = 7,705,023/x
3. Step 3: Cross multiply
   4,921,638x = 7,705,023 × 7,705,023
4. Step 4: Simplify right side
   4,921,638x = 59,367,379,430,529
5. Step 5: Solve for x
   x = 59,367,379,430,529/4,921,638
6. Step 6: Final answer
   x = 12,062,524.60