Finding the Third Proportional to 151,807 and 329,864

Step by Step Solution

1. Step 1: Write the proportion equation
   151,807 : 329,864 = 329,864 : x
2. Step 2: Convert to fraction form
   151,807/329,864 = 329,864/x
3. Step 3: Cross multiply
   151,807x = 329,864 × 329,864
4. Step 4: Simplify right side
   151,807x = 108,810,258,496
5. Step 5: Solve for x
   x = 108,810,258,496/151,807
6. Step 6: Final answer
   x = 716,767.07