Finding the Third Proportional to 192,151 and 273,722.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,151 : 273,722.50 = 273,722.50 : x
2. Step 2: Convert to fraction form
   192,151/273,722.50 = 273,722.50/x
3. Step 3: Cross multiply
   192,151x = 273,722.50 × 273,722.50
4. Step 4: Simplify right side
   192,151x = 74,924,007,006.25
5. Step 5: Solve for x
   x = 74,924,007,006.25/192,151
6. Step 6: Final answer
   x = 389,922.55