Finding the Third Proportional to 71,389 and 93,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,389 : 93,818.50 = 93,818.50 : x
2. Step 2: Convert to fraction form
   71,389/93,818.50 = 93,818.50/x
3. Step 3: Cross multiply
   71,389x = 93,818.50 × 93,818.50
4. Step 4: Simplify right side
   71,389x = 8,801,910,942.25
5. Step 5: Solve for x
   x = 8,801,910,942.25/71,389
6. Step 6: Final answer
   x = 123,295.06