Finding the Third Proportional to 156,636 and 237,140

Step by Step Solution

1. Step 1: Write the proportion equation
   156,636 : 237,140 = 237,140 : x
2. Step 2: Convert to fraction form
   156,636/237,140 = 237,140/x
3. Step 3: Cross multiply
   156,636x = 237,140 × 237,140
4. Step 4: Simplify right side
   156,636x = 56,235,379,600
5. Step 5: Solve for x
   x = 56,235,379,600/156,636
6. Step 6: Final answer
   x = 359,019.51