Finding the Third Proportional to 40,930.31 and 90,463.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,930.31 : 90,463.50 = 90,463.50 : x
2. Step 2: Convert to fraction form
   40,930.31/90,463.50 = 90,463.50/x
3. Step 3: Cross multiply
   40,930.31x = 90,463.50 × 90,463.50
4. Step 4: Simplify right side
   40,930.31x = 8,183,644,832.25
5. Step 5: Solve for x
   x = 8,183,644,832.25/40,930.31
6. Step 6: Final answer
   x = 199,940.93