Finding the Third Proportional to 35,128.69 and 56,687.34

Step by Step Solution

1. Step 1: Write the proportion equation
   35,128.69 : 56,687.34 = 56,687.34 : x
2. Step 2: Convert to fraction form
   35,128.69/56,687.34 = 56,687.34/x
3. Step 3: Cross multiply
   35,128.69x = 56,687.34 × 56,687.34
4. Step 4: Simplify right side
   35,128.69x = 3,213,454,941.43
5. Step 5: Solve for x
   x = 3,213,454,941.43/35,128.69
6. Step 6: Final answer
   x = 91,476.66