Finding the Third Proportional to 49,342.50 and 119,310

Step by Step Solution

1. Step 1: Write the proportion equation
   49,342.50 : 119,310 = 119,310 : x
2. Step 2: Convert to fraction form
   49,342.50/119,310 = 119,310/x
3. Step 3: Cross multiply
   49,342.50x = 119,310 × 119,310
4. Step 4: Simplify right side
   49,342.50x = 14,234,876,100
5. Step 5: Solve for x
   x = 14,234,876,100/49,342.50
6. Step 6: Final answer
   x = 288,491.18