Finding the Third Proportional to 56,083 and 129,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,083 : 129,839.50 = 129,839.50 : x
2. Step 2: Convert to fraction form
   56,083/129,839.50 = 129,839.50/x
3. Step 3: Cross multiply
   56,083x = 129,839.50 × 129,839.50
4. Step 4: Simplify right side
   56,083x = 16,858,295,760.25
5. Step 5: Solve for x
   x = 16,858,295,760.25/56,083
6. Step 6: Final answer
   x = 300,595.47