Finding the Third Proportional to 56,269.69 and 83,971.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,269.69 : 83,971.69 = 83,971.69 : x
2. Step 2: Convert to fraction form
   56,269.69/83,971.69 = 83,971.69/x
3. Step 3: Cross multiply
   56,269.69x = 83,971.69 × 83,971.69
4. Step 4: Simplify right side
   56,269.69x = 7,051,244,301.60
5. Step 5: Solve for x
   x = 7,051,244,301.60/56,269.69
6. Step 6: Final answer
   x = 125,311.60