Finding the Third Proportional to 35,819.25 and 78,199.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,819.25 : 78,199.50 = 78,199.50 : x
2. Step 2: Convert to fraction form
   35,819.25/78,199.50 = 78,199.50/x
3. Step 3: Cross multiply
   35,819.25x = 78,199.50 × 78,199.50
4. Step 4: Simplify right side
   35,819.25x = 6,115,161,800.25
5. Step 5: Solve for x
   x = 6,115,161,800.25/35,819.25
6. Step 6: Final answer
   x = 170,722.78