Finding the Third Proportional to 693,603 and 1,490,670

Step by Step Solution

1. Step 1: Write the proportion equation
   693,603 : 1,490,670 = 1,490,670 : x
2. Step 2: Convert to fraction form
   693,603/1,490,670 = 1,490,670/x
3. Step 3: Cross multiply
   693,603x = 1,490,670 × 1,490,670
4. Step 4: Simplify right side
   693,603x = 2,222,097,048,900
5. Step 5: Solve for x
   x = 2,222,097,048,900/693,603
6. Step 6: Final answer
   x = 3,203,701.61