Finding the Third Proportional to 103,099.50 and 113,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,099.50 : 113,953.50 = 113,953.50 : x
2. Step 2: Convert to fraction form
   103,099.50/113,953.50 = 113,953.50/x
3. Step 3: Cross multiply
   103,099.50x = 113,953.50 × 113,953.50
4. Step 4: Simplify right side
   103,099.50x = 12,985,400,162.25
5. Step 5: Solve for x
   x = 12,985,400,162.25/103,099.50
6. Step 6: Final answer
   x = 125,950.18