Finding the Third Proportional to 61,864.50 and 137,895

Step by Step Solution

1. Step 1: Write the proportion equation
   61,864.50 : 137,895 = 137,895 : x
2. Step 2: Convert to fraction form
   61,864.50/137,895 = 137,895/x
3. Step 3: Cross multiply
   61,864.50x = 137,895 × 137,895
4. Step 4: Simplify right side
   61,864.50x = 19,015,031,025
5. Step 5: Solve for x
   x = 19,015,031,025/61,864.50
6. Step 6: Final answer
   x = 307,365.79