Finding the Third Proportional to 463,290 and 1,000,386

Step by Step Solution

1. Step 1: Write the proportion equation
   463,290 : 1,000,386 = 1,000,386 : x
2. Step 2: Convert to fraction form
   463,290/1,000,386 = 1,000,386/x
3. Step 3: Cross multiply
   463,290x = 1,000,386 × 1,000,386
4. Step 4: Simplify right side
   463,290x = 1,000,772,148,996
5. Step 5: Solve for x
   x = 1,000,772,148,996/463,290
6. Step 6: Final answer
   x = 2,160,141.92