Finding the Third Proportional to 1,016,600 and 2,172,808

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,600 : 2,172,808 = 2,172,808 : x
2. Step 2: Convert to fraction form
   1,016,600/2,172,808 = 2,172,808/x
3. Step 3: Cross multiply
   1,016,600x = 2,172,808 × 2,172,808
4. Step 4: Simplify right side
   1,016,600x = 4,721,094,604,864
5. Step 5: Solve for x
   x = 4,721,094,604,864/1,016,600
6. Step 6: Final answer
   x = 4,644,004.14