Finding the Third Proportional to 80,430 and 118,303.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,430 : 118,303.50 = 118,303.50 : x
2. Step 2: Convert to fraction form
   80,430/118,303.50 = 118,303.50/x
3. Step 3: Cross multiply
   80,430x = 118,303.50 × 118,303.50
4. Step 4: Simplify right side
   80,430x = 13,995,718,112.25
5. Step 5: Solve for x
   x = 13,995,718,112.25/80,430
6. Step 6: Final answer
   x = 174,011.17