Finding the Third Proportional to 123,468 and 190,331.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,468 : 190,331.50 = 190,331.50 : x
2. Step 2: Convert to fraction form
   123,468/190,331.50 = 190,331.50/x
3. Step 3: Cross multiply
   123,468x = 190,331.50 × 190,331.50
4. Step 4: Simplify right side
   123,468x = 36,226,079,892.25
5. Step 5: Solve for x
   x = 36,226,079,892.25/123,468
6. Step 6: Final answer
   x = 293,404.61