Finding the Third Proportional to 86,348.50 and 185,819

Step by Step Solution

1. Step 1: Write the proportion equation
   86,348.50 : 185,819 = 185,819 : x
2. Step 2: Convert to fraction form
   86,348.50/185,819 = 185,819/x
3. Step 3: Cross multiply
   86,348.50x = 185,819 × 185,819
4. Step 4: Simplify right side
   86,348.50x = 34,528,700,761
5. Step 5: Solve for x
   x = 34,528,700,761/86,348.50
6. Step 6: Final answer
   x = 399,876.09