Finding the Third Proportional to 104,068.50 and 115,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,068.50 : 115,003.50 = 115,003.50 : x
2. Step 2: Convert to fraction form
   104,068.50/115,003.50 = 115,003.50/x
3. Step 3: Cross multiply
   104,068.50x = 115,003.50 × 115,003.50
4. Step 4: Simplify right side
   104,068.50x = 13,225,805,012.25
5. Step 5: Solve for x
   x = 13,225,805,012.25/104,068.50
6. Step 6: Final answer
   x = 127,087.50