Finding the Third Proportional to 45,411.75 and 64,865.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,411.75 : 64,865.25 = 64,865.25 : x
2. Step 2: Convert to fraction form
   45,411.75/64,865.25 = 64,865.25/x
3. Step 3: Cross multiply
   45,411.75x = 64,865.25 × 64,865.25
4. Step 4: Simplify right side
   45,411.75x = 4,207,500,657.56
5. Step 5: Solve for x
   x = 4,207,500,657.56/45,411.75
6. Step 6: Final answer
   x = 92,652.25