Finding the Third Proportional to 916,512 and 2,012,328

Step by Step Solution

1. Step 1: Write the proportion equation
   916,512 : 2,012,328 = 2,012,328 : x
2. Step 2: Convert to fraction form
   916,512/2,012,328 = 2,012,328/x
3. Step 3: Cross multiply
   916,512x = 2,012,328 × 2,012,328
4. Step 4: Simplify right side
   916,512x = 4,049,463,979,584
5. Step 5: Solve for x
   x = 4,049,463,979,584/916,512
6. Step 6: Final answer
   x = 4,418,342.56