Finding the Third Proportional to 156,933 and 201,499

Step by Step Solution

1. Step 1: Write the proportion equation
   156,933 : 201,499 = 201,499 : x
2. Step 2: Convert to fraction form
   156,933/201,499 = 201,499/x
3. Step 3: Cross multiply
   156,933x = 201,499 × 201,499
4. Step 4: Simplify right side
   156,933x = 40,601,847,001
5. Step 5: Solve for x
   x = 40,601,847,001/156,933
6. Step 6: Final answer
   x = 258,720.90