Finding the Third Proportional to 69,397.50 and 103,906.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,397.50 : 103,906.50 = 103,906.50 : x
2. Step 2: Convert to fraction form
   69,397.50/103,906.50 = 103,906.50/x
3. Step 3: Cross multiply
   69,397.50x = 103,906.50 × 103,906.50
4. Step 4: Simplify right side
   69,397.50x = 10,796,560,742.25
5. Step 5: Solve for x
   x = 10,796,560,742.25/69,397.50
6. Step 6: Final answer
   x = 155,575.64