Finding the Third Proportional to 45,129.38 and 67,531.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,129.38 : 67,531.50 = 67,531.50 : x
2. Step 2: Convert to fraction form
   45,129.38/67,531.50 = 67,531.50/x
3. Step 3: Cross multiply
   45,129.38x = 67,531.50 × 67,531.50
4. Step 4: Simplify right side
   45,129.38x = 4,560,503,492.25
5. Step 5: Solve for x
   x = 4,560,503,492.25/45,129.38
6. Step 6: Final answer
   x = 101,053.99