Finding the Third Proportional to 43,155 and 67,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,155 : 67,810.50 = 67,810.50 : x
2. Step 2: Convert to fraction form
   43,155/67,810.50 = 67,810.50/x
3. Step 3: Cross multiply
   43,155x = 67,810.50 × 67,810.50
4. Step 4: Simplify right side
   43,155x = 4,598,263,910.25
5. Step 5: Solve for x
   x = 4,598,263,910.25/43,155
6. Step 6: Final answer
   x = 106,552.29