Finding the Third Proportional to 190,960.03 and 288,385.31

Step by Step Solution

1. Step 1: Write the proportion equation
   190,960.03 : 288,385.31 = 288,385.31 : x
2. Step 2: Convert to fraction form
   190,960.03/288,385.31 = 288,385.31/x
3. Step 3: Cross multiply
   190,960.03x = 288,385.31 × 288,385.31
4. Step 4: Simplify right side
   190,960.03x = 83,166,088,465.72
5. Step 5: Solve for x
   x = 83,166,088,465.72/190,960.03
6. Step 6: Final answer
   x = 435,515.68