Finding the Third Proportional to 83,172.45 and 130,303.05

Step by Step Solution

1. Step 1: Write the proportion equation
   83,172.45 : 130,303.05 = 130,303.05 : x
2. Step 2: Convert to fraction form
   83,172.45/130,303.05 = 130,303.05/x
3. Step 3: Cross multiply
   83,172.45x = 130,303.05 × 130,303.05
4. Step 4: Simplify right side
   83,172.45x = 16,978,886,060.89
5. Step 5: Solve for x
   x = 16,978,886,060.89/83,172.45
6. Step 6: Final answer
   x = 204,140.76