Finding the Third Proportional to 169,216.50 and 253,858

Step by Step Solution

1. Step 1: Write the proportion equation
   169,216.50 : 253,858 = 253,858 : x
2. Step 2: Convert to fraction form
   169,216.50/253,858 = 253,858/x
3. Step 3: Cross multiply
   169,216.50x = 253,858 × 253,858
4. Step 4: Simplify right side
   169,216.50x = 64,443,884,164
5. Step 5: Solve for x
   x = 64,443,884,164/169,216.50
6. Step 6: Final answer
   x = 380,836.88