Finding the Third Proportional to 270,940 and 402,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   270,940 : 402,484.50 = 402,484.50 : x
2. Step 2: Convert to fraction form
   270,940/402,484.50 = 402,484.50/x
3. Step 3: Cross multiply
   270,940x = 402,484.50 × 402,484.50
4. Step 4: Simplify right side
   270,940x = 161,993,772,740.25
5. Step 5: Solve for x
   x = 161,993,772,740.25/270,940
6. Step 6: Final answer
   x = 597,895.37