Finding the Third Proportional to 1,005,188 and 2,167,828

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,188 : 2,167,828 = 2,167,828 : x
2. Step 2: Convert to fraction form
   1,005,188/2,167,828 = 2,167,828/x
3. Step 3: Cross multiply
   1,005,188x = 2,167,828 × 2,167,828
4. Step 4: Simplify right side
   1,005,188x = 4,699,478,237,584
5. Step 5: Solve for x
   x = 4,699,478,237,584/1,005,188
6. Step 6: Final answer
   x = 4,675,223.18