Finding the Third Proportional to 916,398 and 1,974,722

Step by Step Solution

1. Step 1: Write the proportion equation
   916,398 : 1,974,722 = 1,974,722 : x
2. Step 2: Convert to fraction form
   916,398/1,974,722 = 1,974,722/x
3. Step 3: Cross multiply
   916,398x = 1,974,722 × 1,974,722
4. Step 4: Simplify right side
   916,398x = 3,899,526,977,284
5. Step 5: Solve for x
   x = 3,899,526,977,284/916,398
6. Step 6: Final answer
   x = 4,255,276.61