Finding the Third Proportional to 329,708 and 706,066

Step by Step Solution

1. Step 1: Write the proportion equation
   329,708 : 706,066 = 706,066 : x
2. Step 2: Convert to fraction form
   329,708/706,066 = 706,066/x
3. Step 3: Cross multiply
   329,708x = 706,066 × 706,066
4. Step 4: Simplify right side
   329,708x = 498,529,196,356
5. Step 5: Solve for x
   x = 498,529,196,356/329,708
6. Step 6: Final answer
   x = 1,512,032.45