Finding the Third Proportional to 30,812 and 64,350

Step by Step Solution

1. Step 1: Write the proportion equation
   30,812 : 64,350 = 64,350 : x
2. Step 2: Convert to fraction form
   30,812/64,350 = 64,350/x
3. Step 3: Cross multiply
   30,812x = 64,350 × 64,350
4. Step 4: Simplify right side
   30,812x = 4,140,922,500
5. Step 5: Solve for x
   x = 4,140,922,500/30,812
6. Step 6: Final answer
   x = 134,393.17