Finding the Third Proportional to 202,479.75 and 314,334

Step by Step Solution

1. Step 1: Write the proportion equation
   202,479.75 : 314,334 = 314,334 : x
2. Step 2: Convert to fraction form
   202,479.75/314,334 = 314,334/x
3. Step 3: Cross multiply
   202,479.75x = 314,334 × 314,334
4. Step 4: Simplify right side
   202,479.75x = 98,805,863,556
5. Step 5: Solve for x
   x = 98,805,863,556/202,479.75
6. Step 6: Final answer
   x = 487,978.99