Finding the Third Proportional to 69,850.50 and 104,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,850.50 : 104,980.50 = 104,980.50 : x
2. Step 2: Convert to fraction form
   69,850.50/104,980.50 = 104,980.50/x
3. Step 3: Cross multiply
   69,850.50x = 104,980.50 × 104,980.50
4. Step 4: Simplify right side
   69,850.50x = 11,020,905,380.25
5. Step 5: Solve for x
   x = 11,020,905,380.25/69,850.50
6. Step 6: Final answer
   x = 157,778.48