Finding the Third Proportional to 162,436.50 and 254,598.75

Step by Step Solution

1. Step 1: Write the proportion equation
   162,436.50 : 254,598.75 = 254,598.75 : x
2. Step 2: Convert to fraction form
   162,436.50/254,598.75 = 254,598.75/x
3. Step 3: Cross multiply
   162,436.50x = 254,598.75 × 254,598.75
4. Step 4: Simplify right side
   162,436.50x = 64,820,523,501.56
5. Step 5: Solve for x
   x = 64,820,523,501.56/162,436.50
6. Step 6: Final answer
   x = 399,051.47