Finding the Third Proportional to 38,385 and 90,481.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,385 : 90,481.50 = 90,481.50 : x
2. Step 2: Convert to fraction form
   38,385/90,481.50 = 90,481.50/x
3. Step 3: Cross multiply
   38,385x = 90,481.50 × 90,481.50
4. Step 4: Simplify right side
   38,385x = 8,186,901,842.25
5. Step 5: Solve for x
   x = 8,186,901,842.25/38,385
6. Step 6: Final answer
   x = 213,283.88