Finding the Third Proportional to 2,116,128 and 3,218,464

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,128 : 3,218,464 = 3,218,464 : x
2. Step 2: Convert to fraction form
   2,116,128/3,218,464 = 3,218,464/x
3. Step 3: Cross multiply
   2,116,128x = 3,218,464 × 3,218,464
4. Step 4: Simplify right side
   2,116,128x = 10,358,510,519,296
5. Step 5: Solve for x
   x = 10,358,510,519,296/2,116,128
6. Step 6: Final answer
   x = 4,895,030.22