Finding the Third Proportional to 61,843.50 and 91,398.38

Step by Step Solution

1. Step 1: Write the proportion equation
   61,843.50 : 91,398.38 = 91,398.38 : x
2. Step 2: Convert to fraction form
   61,843.50/91,398.38 = 91,398.38/x
3. Step 3: Cross multiply
   61,843.50x = 91,398.38 × 91,398.38
4. Step 4: Simplify right side
   61,843.50x = 8,353,662,952.64
5. Step 5: Solve for x
   x = 8,353,662,952.64/61,843.50
6. Step 6: Final answer
   x = 135,077.46