Finding the Third Proportional to 1,005,218 and 2,167,898

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,218 : 2,167,898 = 2,167,898 : x
2. Step 2: Convert to fraction form
   1,005,218/2,167,898 = 2,167,898/x
3. Step 3: Cross multiply
   1,005,218x = 2,167,898 × 2,167,898
4. Step 4: Simplify right side
   1,005,218x = 4,699,781,738,404
5. Step 5: Solve for x
   x = 4,699,781,738,404/1,005,218
6. Step 6: Final answer
   x = 4,675,385.58