Finding the Third Proportional to 86,059 and 186,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,059 : 186,414.50 = 186,414.50 : x
2. Step 2: Convert to fraction form
   86,059/186,414.50 = 186,414.50/x
3. Step 3: Cross multiply
   86,059x = 186,414.50 × 186,414.50
4. Step 4: Simplify right side
   86,059x = 34,750,365,810.25
5. Step 5: Solve for x
   x = 34,750,365,810.25/86,059
6. Step 6: Final answer
   x = 403,797.00