Finding the Third Proportional to 64,966.50 and 141,030

Step by Step Solution

1. Step 1: Write the proportion equation
   64,966.50 : 141,030 = 141,030 : x
2. Step 2: Convert to fraction form
   64,966.50/141,030 = 141,030/x
3. Step 3: Cross multiply
   64,966.50x = 141,030 × 141,030
4. Step 4: Simplify right side
   64,966.50x = 19,889,460,900
5. Step 5: Solve for x
   x = 19,889,460,900/64,966.50
6. Step 6: Final answer
   x = 306,149.49