Finding the Third Proportional to 123,483 and 190,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,483 : 190,354.50 = 190,354.50 : x
2. Step 2: Convert to fraction form
   123,483/190,354.50 = 190,354.50/x
3. Step 3: Cross multiply
   123,483x = 190,354.50 × 190,354.50
4. Step 4: Simplify right side
   123,483x = 36,234,835,670.25
5. Step 5: Solve for x
   x = 36,234,835,670.25/123,483
6. Step 6: Final answer
   x = 293,439.87