Finding the Third Proportional to 53,113 and 80,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,113 : 80,080.50 = 80,080.50 : x
2. Step 2: Convert to fraction form
   53,113/80,080.50 = 80,080.50/x
3. Step 3: Cross multiply
   53,113x = 80,080.50 × 80,080.50
4. Step 4: Simplify right side
   53,113x = 6,412,886,480.25
5. Step 5: Solve for x
   x = 6,412,886,480.25/53,113
6. Step 6: Final answer
   x = 120,740.43