Finding the Third Proportional to 64,417.50 and 137,394

Step by Step Solution

1. Step 1: Write the proportion equation
   64,417.50 : 137,394 = 137,394 : x
2. Step 2: Convert to fraction form
   64,417.50/137,394 = 137,394/x
3. Step 3: Cross multiply
   64,417.50x = 137,394 × 137,394
4. Step 4: Simplify right side
   64,417.50x = 18,877,111,236
5. Step 5: Solve for x
   x = 18,877,111,236/64,417.50
6. Step 6: Final answer
   x = 293,043.21