Finding the Third Proportional to 16,603.88 and 35,831.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,603.88 : 35,831.50 = 35,831.50 : x
2. Step 2: Convert to fraction form
   16,603.88/35,831.50 = 35,831.50/x
3. Step 3: Cross multiply
   16,603.88x = 35,831.50 × 35,831.50
4. Step 4: Simplify right side
   16,603.88x = 1,283,896,392.25
5. Step 5: Solve for x
   x = 1,283,896,392.25/16,603.88
6. Step 6: Final answer
   x = 77,325.11