Finding the Third Proportional to 912,386 and 2,007,940

Step by Step Solution

1. Step 1: Write the proportion equation
   912,386 : 2,007,940 = 2,007,940 : x
2. Step 2: Convert to fraction form
   912,386/2,007,940 = 2,007,940/x
3. Step 3: Cross multiply
   912,386x = 2,007,940 × 2,007,940
4. Step 4: Simplify right side
   912,386x = 4,031,823,043,600
5. Step 5: Solve for x
   x = 4,031,823,043,600/912,386
6. Step 6: Final answer
   x = 4,418,988.28