Finding the Third Proportional to 148,959 and 322,931.81

Step by Step Solution

1. Step 1: Write the proportion equation
   148,959 : 322,931.81 = 322,931.81 : x
2. Step 2: Convert to fraction form
   148,959/322,931.81 = 322,931.81/x
3. Step 3: Cross multiply
   148,959x = 322,931.81 × 322,931.81
4. Step 4: Simplify right side
   148,959x = 104,284,955,524.54
5. Step 5: Solve for x
   x = 104,284,955,524.54/148,959
6. Step 6: Final answer
   x = 700,091.67