Finding the Third Proportional to 35,128.69 and 65,746.69

Step by Step Solution

1. Step 1: Write the proportion equation
   35,128.69 : 65,746.69 = 65,746.69 : x
2. Step 2: Convert to fraction form
   35,128.69/65,746.69 = 65,746.69/x
3. Step 3: Cross multiply
   35,128.69x = 65,746.69 × 65,746.69
4. Step 4: Simplify right side
   35,128.69x = 4,322,626,917.22
5. Step 5: Solve for x
   x = 4,322,626,917.22/35,128.69
6. Step 6: Final answer
   x = 123,051.19