Finding the Third Proportional to 156,747 and 236,578

Step by Step Solution

1. Step 1: Write the proportion equation
   156,747 : 236,578 = 236,578 : x
2. Step 2: Convert to fraction form
   156,747/236,578 = 236,578/x
3. Step 3: Cross multiply
   156,747x = 236,578 × 236,578
4. Step 4: Simplify right side
   156,747x = 55,969,150,084
5. Step 5: Solve for x
   x = 55,969,150,084/156,747
6. Step 6: Final answer
   x = 357,066.80