Finding the Third Proportional to 35,958.94 and 78,478.88

Step by Step Solution

1. Step 1: Write the proportion equation
   35,958.94 : 78,478.88 = 78,478.88 : x
2. Step 2: Convert to fraction form
   35,958.94/78,478.88 = 78,478.88/x
3. Step 3: Cross multiply
   35,958.94x = 78,478.88 × 78,478.88
4. Step 4: Simplify right side
   35,958.94x = 6,158,933,821.27
5. Step 5: Solve for x
   x = 6,158,933,821.27/35,958.94
6. Step 6: Final answer
   x = 171,276.86