Finding the Third Proportional to 916,470 and 2,012,256

Step by Step Solution

1. Step 1: Write the proportion equation
   916,470 : 2,012,256 = 2,012,256 : x
2. Step 2: Convert to fraction form
   916,470/2,012,256 = 2,012,256/x
3. Step 3: Cross multiply
   916,470x = 2,012,256 × 2,012,256
4. Step 4: Simplify right side
   916,470x = 4,049,174,209,536
5. Step 5: Solve for x
   x = 4,049,174,209,536/916,470
6. Step 6: Final answer
   x = 4,418,228.87