Finding the Third Proportional to 43,273.94 and 89,987.69

Step by Step Solution

1. Step 1: Write the proportion equation
   43,273.94 : 89,987.69 = 89,987.69 : x
2. Step 2: Convert to fraction form
   43,273.94/89,987.69 = 89,987.69/x
3. Step 3: Cross multiply
   43,273.94x = 89,987.69 × 89,987.69
4. Step 4: Simplify right side
   43,273.94x = 8,097,783,901.60
5. Step 5: Solve for x
   x = 8,097,783,901.60/43,273.94
6. Step 6: Final answer
   x = 187,128.43