Finding the Third Proportional to 30,630 and 67,468

Step by Step Solution

1. Step 1: Write the proportion equation
   30,630 : 67,468 = 67,468 : x
2. Step 2: Convert to fraction form
   30,630/67,468 = 67,468/x
3. Step 3: Cross multiply
   30,630x = 67,468 × 67,468
4. Step 4: Simplify right side
   30,630x = 4,551,931,024
5. Step 5: Solve for x
   x = 4,551,931,024/30,630
6. Step 6: Final answer
   x = 148,610.22