Finding the Third Proportional to 2,385,646 and 4,972,478

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385,646 : 4,972,478 = 4,972,478 : x
2. Step 2: Convert to fraction form
   2,385,646/4,972,478 = 4,972,478/x
3. Step 3: Cross multiply
   2,385,646x = 4,972,478 × 4,972,478
4. Step 4: Simplify right side
   2,385,646x = 24,725,537,460,484
5. Step 5: Solve for x
   x = 24,725,537,460,484/2,385,646
6. Step 6: Final answer
   x = 10,364,294.39