Finding the Third Proportional to 4,921,640 and 7,705,026

Step by Step Solution

1. Step 1: Write the proportion equation
   4,921,640 : 7,705,026 = 7,705,026 : x
2. Step 2: Convert to fraction form
   4,921,640/7,705,026 = 7,705,026/x
3. Step 3: Cross multiply
   4,921,640x = 7,705,026 × 7,705,026
4. Step 4: Simplify right side
   4,921,640x = 59,367,425,660,676
5. Step 5: Solve for x
   x = 59,367,425,660,676/4,921,640
6. Step 6: Final answer
   x = 12,062,529.09