Finding the Third Proportional to 80,521.50 and 118,011

Step by Step Solution

1. Step 1: Write the proportion equation
   80,521.50 : 118,011 = 118,011 : x
2. Step 2: Convert to fraction form
   80,521.50/118,011 = 118,011/x
3. Step 3: Cross multiply
   80,521.50x = 118,011 × 118,011
4. Step 4: Simplify right side
   80,521.50x = 13,926,596,121
5. Step 5: Solve for x
   x = 13,926,596,121/80,521.50
6. Step 6: Final answer
   x = 172,955.00