Finding the Third Proportional to 80,849.63 and 170,077.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,849.63 : 170,077.50 = 170,077.50 : x
2. Step 2: Convert to fraction form
   80,849.63/170,077.50 = 170,077.50/x
3. Step 3: Cross multiply
   80,849.63x = 170,077.50 × 170,077.50
4. Step 4: Simplify right side
   80,849.63x = 28,926,356,006.25
5. Step 5: Solve for x
   x = 28,926,356,006.25/80,849.63
6. Step 6: Final answer
   x = 357,779.72