Finding the Third Proportional to 43,298 and 67,680.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,298 : 67,680.50 = 67,680.50 : x
2. Step 2: Convert to fraction form
   43,298/67,680.50 = 67,680.50/x
3. Step 3: Cross multiply
   43,298x = 67,680.50 × 67,680.50
4. Step 4: Simplify right side
   43,298x = 4,580,650,080.25
5. Step 5: Solve for x
   x = 4,580,650,080.25/43,298
6. Step 6: Final answer
   x = 105,793.57