Finding the Third Proportional to 36,829.69 and 71,430.19

Step by Step Solution

1. Step 1: Write the proportion equation
   36,829.69 : 71,430.19 = 71,430.19 : x
2. Step 2: Convert to fraction form
   36,829.69/71,430.19 = 71,430.19/x
3. Step 3: Cross multiply
   36,829.69x = 71,430.19 × 71,430.19
4. Step 4: Simplify right side
   36,829.69x = 5,102,271,686.29
5. Step 5: Solve for x
   x = 5,102,271,686.29/36,829.69
6. Step 6: Final answer
   x = 138,536.93