Finding the Third Proportional to 1,005,174 and 2,191,078

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,174 : 2,191,078 = 2,191,078 : x
2. Step 2: Convert to fraction form
   1,005,174/2,191,078 = 2,191,078/x
3. Step 3: Cross multiply
   1,005,174x = 2,191,078 × 2,191,078
4. Step 4: Simplify right side
   1,005,174x = 4,800,822,802,084
5. Step 5: Solve for x
   x = 4,800,822,802,084/1,005,174
6. Step 6: Final answer
   x = 4,776,111.20