Finding the Third Proportional to 140,532 and 216,636

Step by Step Solution

1. Step 1: Write the proportion equation
   140,532 : 216,636 = 216,636 : x
2. Step 2: Convert to fraction form
   140,532/216,636 = 216,636/x
3. Step 3: Cross multiply
   140,532x = 216,636 × 216,636
4. Step 4: Simplify right side
   140,532x = 46,931,156,496
5. Step 5: Solve for x
   x = 46,931,156,496/140,532
6. Step 6: Final answer
   x = 333,953.52