Finding the Third Proportional to 68,590 and 103,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,590 : 103,067.50 = 103,067.50 : x
2. Step 2: Convert to fraction form
   68,590/103,067.50 = 103,067.50/x
3. Step 3: Cross multiply
   68,590x = 103,067.50 × 103,067.50
4. Step 4: Simplify right side
   68,590x = 10,622,909,556.25
5. Step 5: Solve for x
   x = 10,622,909,556.25/68,590
6. Step 6: Final answer
   x = 154,875.49