Finding the Third Proportional to 45,375.75 and 64,518.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,375.75 : 64,518.75 = 64,518.75 : x
2. Step 2: Convert to fraction form
   45,375.75/64,518.75 = 64,518.75/x
3. Step 3: Cross multiply
   45,375.75x = 64,518.75 × 64,518.75
4. Step 4: Simplify right side
   45,375.75x = 4,162,669,101.56
5. Step 5: Solve for x
   x = 4,162,669,101.56/45,375.75
6. Step 6: Final answer
   x = 91,737.75