Finding the Third Proportional to 77,074.50 and 168,154.88

Step by Step Solution

1. Step 1: Write the proportion equation
   77,074.50 : 168,154.88 = 168,154.88 : x
2. Step 2: Convert to fraction form
   77,074.50/168,154.88 = 168,154.88/x
3. Step 3: Cross multiply
   77,074.50x = 168,154.88 × 168,154.88
4. Step 4: Simplify right side
   77,074.50x = 28,276,061,986.27
5. Step 5: Solve for x
   x = 28,276,061,986.27/77,074.50
6. Step 6: Final answer
   x = 366,866.63