Finding the Third Proportional to 192,141 and 288,830.25

Step by Step Solution

1. Step 1: Write the proportion equation
   192,141 : 288,830.25 = 288,830.25 : x
2. Step 2: Convert to fraction form
   192,141/288,830.25 = 288,830.25/x
3. Step 3: Cross multiply
   192,141x = 288,830.25 × 288,830.25
4. Step 4: Simplify right side
   192,141x = 83,422,913,315.06
5. Step 5: Solve for x
   x = 83,422,913,315.06/192,141
6. Step 6: Final answer
   x = 434,175.49