Finding the Third Proportional to 111,562.50 and 156,042

Step by Step Solution

1. Step 1: Write the proportion equation
   111,562.50 : 156,042 = 156,042 : x
2. Step 2: Convert to fraction form
   111,562.50/156,042 = 156,042/x
3. Step 3: Cross multiply
   111,562.50x = 156,042 × 156,042
4. Step 4: Simplify right side
   111,562.50x = 24,349,105,764
5. Step 5: Solve for x
   x = 24,349,105,764/111,562.50
6. Step 6: Final answer
   x = 218,255.29