Finding the Third Proportional to 48,357 and 68,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,357 : 68,485.50 = 68,485.50 : x
2. Step 2: Convert to fraction form
   48,357/68,485.50 = 68,485.50/x
3. Step 3: Cross multiply
   48,357x = 68,485.50 × 68,485.50
4. Step 4: Simplify right side
   48,357x = 4,690,263,710.25
5. Step 5: Solve for x
   x = 4,690,263,710.25/48,357
6. Step 6: Final answer
   x = 96,992.45