Finding the Third Proportional to 122,254.50 and 194,520

Step by Step Solution

1. Step 1: Write the proportion equation
   122,254.50 : 194,520 = 194,520 : x
2. Step 2: Convert to fraction form
   122,254.50/194,520 = 194,520/x
3. Step 3: Cross multiply
   122,254.50x = 194,520 × 194,520
4. Step 4: Simplify right side
   122,254.50x = 37,838,030,400
5. Step 5: Solve for x
   x = 37,838,030,400/122,254.50
6. Step 6: Final answer
   x = 309,502.15