Finding the Third Proportional to 35,009 and 53,160.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,009 : 53,160.50 = 53,160.50 : x
2. Step 2: Convert to fraction form
   35,009/53,160.50 = 53,160.50/x
3. Step 3: Cross multiply
   35,009x = 53,160.50 × 53,160.50
4. Step 4: Simplify right side
   35,009x = 2,826,038,760.25
5. Step 5: Solve for x
   x = 2,826,038,760.25/35,009
6. Step 6: Final answer
   x = 80,723.21