Finding the Third Proportional to 35,905.50 and 54,830.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,905.50 : 54,830.50 = 54,830.50 : x
2. Step 2: Convert to fraction form
   35,905.50/54,830.50 = 54,830.50/x
3. Step 3: Cross multiply
   35,905.50x = 54,830.50 × 54,830.50
4. Step 4: Simplify right side
   35,905.50x = 3,006,383,730.25
5. Step 5: Solve for x
   x = 3,006,383,730.25/35,905.50
6. Step 6: Final answer
   x = 83,730.45