Finding the Third Proportional to 916,490 and 2,012,296

Step by Step Solution

1. Step 1: Write the proportion equation
   916,490 : 2,012,296 = 2,012,296 : x
2. Step 2: Convert to fraction form
   916,490/2,012,296 = 2,012,296/x
3. Step 3: Cross multiply
   916,490x = 2,012,296 × 2,012,296
4. Step 4: Simplify right side
   916,490x = 4,049,335,191,616
5. Step 5: Solve for x
   x = 4,049,335,191,616/916,490
6. Step 6: Final answer
   x = 4,418,308.10