Finding the Third Proportional to 186,258.50 and 402,277

Step by Step Solution

1. Step 1: Write the proportion equation
   186,258.50 : 402,277 = 402,277 : x
2. Step 2: Convert to fraction form
   186,258.50/402,277 = 402,277/x
3. Step 3: Cross multiply
   186,258.50x = 402,277 × 402,277
4. Step 4: Simplify right side
   186,258.50x = 161,826,784,729
5. Step 5: Solve for x
   x = 161,826,784,729/186,258.50
6. Step 6: Final answer
   x = 868,828.99