Finding the Third Proportional to 297,018 and 693,066

Step by Step Solution

1. Step 1: Write the proportion equation
   297,018 : 693,066 = 693,066 : x
2. Step 2: Convert to fraction form
   297,018/693,066 = 693,066/x
3. Step 3: Cross multiply
   297,018x = 693,066 × 693,066
4. Step 4: Simplify right side
   297,018x = 480,340,480,356
5. Step 5: Solve for x
   x = 480,340,480,356/297,018
6. Step 6: Final answer
   x = 1,617,210.00