Finding the Third Proportional to 35,867.25 and 70,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,867.25 : 70,816.50 = 70,816.50 : x
2. Step 2: Convert to fraction form
   35,867.25/70,816.50 = 70,816.50/x
3. Step 3: Cross multiply
   35,867.25x = 70,816.50 × 70,816.50
4. Step 4: Simplify right side
   35,867.25x = 5,014,976,672.25
5. Step 5: Solve for x
   x = 5,014,976,672.25/35,867.25
6. Step 6: Final answer
   x = 139,820.50