Finding the Third Proportional to 38,898 and 57,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,898 : 57,109.50 = 57,109.50 : x
2. Step 2: Convert to fraction form
   38,898/57,109.50 = 57,109.50/x
3. Step 3: Cross multiply
   38,898x = 57,109.50 × 57,109.50
4. Step 4: Simplify right side
   38,898x = 3,261,494,990.25
5. Step 5: Solve for x
   x = 3,261,494,990.25/38,898
6. Step 6: Final answer
   x = 83,847.37