Finding the Third Proportional to 39,570.50 and 80,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,570.50 : 80,607.50 = 80,607.50 : x
2. Step 2: Convert to fraction form
   39,570.50/80,607.50 = 80,607.50/x
3. Step 3: Cross multiply
   39,570.50x = 80,607.50 × 80,607.50
4. Step 4: Simplify right side
   39,570.50x = 6,497,569,056.25
5. Step 5: Solve for x
   x = 6,497,569,056.25/39,570.50
6. Step 6: Final answer
   x = 164,202.35