Finding the Third Proportional to 64,455.50 and 141,302

Step by Step Solution

1. Step 1: Write the proportion equation
   64,455.50 : 141,302 = 141,302 : x
2. Step 2: Convert to fraction form
   64,455.50/141,302 = 141,302/x
3. Step 3: Cross multiply
   64,455.50x = 141,302 × 141,302
4. Step 4: Simplify right side
   64,455.50x = 19,966,255,204
5. Step 5: Solve for x
   x = 19,966,255,204/64,455.50
6. Step 6: Final answer
   x = 309,768.06