Finding the Third Proportional to 268,347 and 363,154.50

Step by Step Solution

1. Step 1: Write the proportion equation
   268,347 : 363,154.50 = 363,154.50 : x
2. Step 2: Convert to fraction form
   268,347/363,154.50 = 363,154.50/x
3. Step 3: Cross multiply
   268,347x = 363,154.50 × 363,154.50
4. Step 4: Simplify right side
   268,347x = 131,881,190,870.25
5. Step 5: Solve for x
   x = 131,881,190,870.25/268,347
6. Step 6: Final answer
   x = 491,457.67