Finding the Third Proportional to 31,666.50 and 49,417

Step by Step Solution

1. Step 1: Write the proportion equation
   31,666.50 : 49,417 = 49,417 : x
2. Step 2: Convert to fraction form
   31,666.50/49,417 = 49,417/x
3. Step 3: Cross multiply
   31,666.50x = 49,417 × 49,417
4. Step 4: Simplify right side
   31,666.50x = 2,442,039,889
5. Step 5: Solve for x
   x = 2,442,039,889/31,666.50
6. Step 6: Final answer
   x = 77,117.46