Finding the Third Proportional to 45,045 and 67,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,045 : 67,405.50 = 67,405.50 : x
2. Step 2: Convert to fraction form
   45,045/67,405.50 = 67,405.50/x
3. Step 3: Cross multiply
   45,045x = 67,405.50 × 67,405.50
4. Step 4: Simplify right side
   45,045x = 4,543,501,430.25
5. Step 5: Solve for x
   x = 4,543,501,430.25/45,045
6. Step 6: Final answer
   x = 100,865.83