Finding the Third Proportional to 191,479.50 and 268,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,479.50 : 268,321.50 = 268,321.50 : x
2. Step 2: Convert to fraction form
   191,479.50/268,321.50 = 268,321.50/x
3. Step 3: Cross multiply
   191,479.50x = 268,321.50 × 268,321.50
4. Step 4: Simplify right side
   191,479.50x = 71,996,427,362.25
5. Step 5: Solve for x
   x = 71,996,427,362.25/191,479.50
6. Step 6: Final answer
   x = 376,000.71