Finding the Third Proportional to 670,112 and 1,036,288

Step by Step Solution

1. Step 1: Write the proportion equation
   670,112 : 1,036,288 = 1,036,288 : x
2. Step 2: Convert to fraction form
   670,112/1,036,288 = 1,036,288/x
3. Step 3: Cross multiply
   670,112x = 1,036,288 × 1,036,288
4. Step 4: Simplify right side
   670,112x = 1,073,892,818,944
5. Step 5: Solve for x
   x = 1,073,892,818,944/670,112
6. Step 6: Final answer
   x = 1,602,557.21