Finding the Third Proportional to 84,861 and 186,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   84,861 : 186,043.50 = 186,043.50 : x
2. Step 2: Convert to fraction form
   84,861/186,043.50 = 186,043.50/x
3. Step 3: Cross multiply
   84,861x = 186,043.50 × 186,043.50
4. Step 4: Simplify right side
   84,861x = 34,612,183,892.25
5. Step 5: Solve for x
   x = 34,612,183,892.25/84,861
6. Step 6: Final answer
   x = 407,869.15