Finding the Third Proportional to 35,849.50 and 78,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,849.50 : 78,755.50 = 78,755.50 : x
2. Step 2: Convert to fraction form
   35,849.50/78,755.50 = 78,755.50/x
3. Step 3: Cross multiply
   35,849.50x = 78,755.50 × 78,755.50
4. Step 4: Simplify right side
   35,849.50x = 6,202,428,780.25
5. Step 5: Solve for x
   x = 6,202,428,780.25/35,849.50
6. Step 6: Final answer
   x = 173,012.98