Finding the Third Proportional to 61,513.50 and 91,949

Step by Step Solution

1. Step 1: Write the proportion equation
   61,513.50 : 91,949 = 91,949 : x
2. Step 2: Convert to fraction form
   61,513.50/91,949 = 91,949/x
3. Step 3: Cross multiply
   61,513.50x = 91,949 × 91,949
4. Step 4: Simplify right side
   61,513.50x = 8,454,618,601
5. Step 5: Solve for x
   x = 8,454,618,601/61,513.50
6. Step 6: Final answer
   x = 137,443.30