Finding the Third Proportional to 61,009 and 89,533.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,009 : 89,533.50 = 89,533.50 : x
2. Step 2: Convert to fraction form
   61,009/89,533.50 = 89,533.50/x
3. Step 3: Cross multiply
   61,009x = 89,533.50 × 89,533.50
4. Step 4: Simplify right side
   61,009x = 8,016,247,622.25
5. Step 5: Solve for x
   x = 8,016,247,622.25/61,009
6. Step 6: Final answer
   x = 131,394.51