Finding the Third Proportional to 2,177,187 and 4,613,946

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177,187 : 4,613,946 = 4,613,946 : x
2. Step 2: Convert to fraction form
   2,177,187/4,613,946 = 4,613,946/x
3. Step 3: Cross multiply
   2,177,187x = 4,613,946 × 4,613,946
4. Step 4: Simplify right side
   2,177,187x = 21,288,497,690,916
5. Step 5: Solve for x
   x = 21,288,497,690,916/2,177,187
6. Step 6: Final answer
   x = 9,777,983.10