Finding the Third Proportional to 186,492 and 407,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   186,492 : 407,143.50 = 407,143.50 : x
2. Step 2: Convert to fraction form
   186,492/407,143.50 = 407,143.50/x
3. Step 3: Cross multiply
   186,492x = 407,143.50 × 407,143.50
4. Step 4: Simplify right side
   186,492x = 165,765,829,592.25
5. Step 5: Solve for x
   x = 165,765,829,592.25/186,492
6. Step 6: Final answer
   x = 888,862.95