Finding the Third Proportional to 192,373.50 and 287,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,373.50 : 287,483.50 = 287,483.50 : x
2. Step 2: Convert to fraction form
   192,373.50/287,483.50 = 287,483.50/x
3. Step 3: Cross multiply
   192,373.50x = 287,483.50 × 287,483.50
4. Step 4: Simplify right side
   192,373.50x = 82,646,762,772.25
5. Step 5: Solve for x
   x = 82,646,762,772.25/192,373.50
6. Step 6: Final answer
   x = 429,616.15