Finding the Third Proportional to 64,300.50 and 141,051

Step by Step Solution

1. Step 1: Write the proportion equation
   64,300.50 : 141,051 = 141,051 : x
2. Step 2: Convert to fraction form
   64,300.50/141,051 = 141,051/x
3. Step 3: Cross multiply
   64,300.50x = 141,051 × 141,051
4. Step 4: Simplify right side
   64,300.50x = 19,895,384,601
5. Step 5: Solve for x
   x = 19,895,384,601/64,300.50
6. Step 6: Final answer
   x = 309,412.60