Finding the Third Proportional to 190,942 and 411,468.50

Step by Step Solution

1. Step 1: Write the proportion equation
   190,942 : 411,468.50 = 411,468.50 : x
2. Step 2: Convert to fraction form
   190,942/411,468.50 = 411,468.50/x
3. Step 3: Cross multiply
   190,942x = 411,468.50 × 411,468.50
4. Step 4: Simplify right side
   190,942x = 169,306,326,492.25
5. Step 5: Solve for x
   x = 169,306,326,492.25/190,942
6. Step 6: Final answer
   x = 886,689.81