Finding the Third Proportional to 2,177,196 and 4,613,964

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177,196 : 4,613,964 = 4,613,964 : x
2. Step 2: Convert to fraction form
   2,177,196/4,613,964 = 4,613,964/x
3. Step 3: Cross multiply
   2,177,196x = 4,613,964 × 4,613,964
4. Step 4: Simplify right side
   2,177,196x = 21,288,663,793,296
5. Step 5: Solve for x
   x = 21,288,663,793,296/2,177,196
6. Step 6: Final answer
   x = 9,778,018.97