Finding the Third Proportional to 156,042 and 235,443

Step by Step Solution

1. Step 1: Write the proportion equation
   156,042 : 235,443 = 235,443 : x
2. Step 2: Convert to fraction form
   156,042/235,443 = 235,443/x
3. Step 3: Cross multiply
   156,042x = 235,443 × 235,443
4. Step 4: Simplify right side
   156,042x = 55,433,406,249
5. Step 5: Solve for x
   x = 55,433,406,249/156,042
6. Step 6: Final answer
   x = 355,246.70