Finding the Third Proportional to 33,907.50 and 68,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,907.50 : 68,737.50 = 68,737.50 : x
2. Step 2: Convert to fraction form
   33,907.50/68,737.50 = 68,737.50/x
3. Step 3: Cross multiply
   33,907.50x = 68,737.50 × 68,737.50
4. Step 4: Simplify right side
   33,907.50x = 4,724,843,906.25
5. Step 5: Solve for x
   x = 4,724,843,906.25/33,907.50
6. Step 6: Final answer
   x = 139,345.10