Finding the Third Proportional to 30,818 and 64,264

Step by Step Solution

1. Step 1: Write the proportion equation
   30,818 : 64,264 = 64,264 : x
2. Step 2: Convert to fraction form
   30,818/64,264 = 64,264/x
3. Step 3: Cross multiply
   30,818x = 64,264 × 64,264
4. Step 4: Simplify right side
   30,818x = 4,129,861,696
5. Step 5: Solve for x
   x = 4,129,861,696/30,818
6. Step 6: Final answer
   x = 134,008.10