Finding the Third Proportional to 51,599.50 and 105,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,599.50 : 105,385.50 = 105,385.50 : x
2. Step 2: Convert to fraction form
   51,599.50/105,385.50 = 105,385.50/x
3. Step 3: Cross multiply
   51,599.50x = 105,385.50 × 105,385.50
4. Step 4: Simplify right side
   51,599.50x = 11,106,103,610.25
5. Step 5: Solve for x
   x = 11,106,103,610.25/51,599.50
6. Step 6: Final answer
   x = 215,236.65