Finding the Third Proportional to 68,560 and 103,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,560 : 103,570.50 = 103,570.50 : x
2. Step 2: Convert to fraction form
   68,560/103,570.50 = 103,570.50/x
3. Step 3: Cross multiply
   68,560x = 103,570.50 × 103,570.50
4. Step 4: Simplify right side
   68,560x = 10,726,848,470.25
5. Step 5: Solve for x
   x = 10,726,848,470.25/68,560
6. Step 6: Final answer
   x = 156,459.28