Finding the Third Proportional to 253,905 and 601,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   253,905 : 601,549.50 = 601,549.50 : x
2. Step 2: Convert to fraction form
   253,905/601,549.50 = 601,549.50/x
3. Step 3: Cross multiply
   253,905x = 601,549.50 × 601,549.50
4. Step 4: Simplify right side
   253,905x = 361,861,800,950.25
5. Step 5: Solve for x
   x = 361,861,800,950.25/253,905
6. Step 6: Final answer
   x = 1,425,185.80