Finding the Third Proportional to 43,748.50 and 67,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,748.50 : 67,870.50 = 67,870.50 : x
2. Step 2: Convert to fraction form
   43,748.50/67,870.50 = 67,870.50/x
3. Step 3: Cross multiply
   43,748.50x = 67,870.50 × 67,870.50
4. Step 4: Simplify right side
   43,748.50x = 4,606,404,770.25
5. Step 5: Solve for x
   x = 4,606,404,770.25/43,748.50
6. Step 6: Final answer
   x = 105,292.86