Finding the Third Proportional to 30,898.13 and 67,462.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,898.13 : 67,462.88 = 67,462.88 : x
2. Step 2: Convert to fraction form
   30,898.13/67,462.88 = 67,462.88/x
3. Step 3: Cross multiply
   30,898.13x = 67,462.88 × 67,462.88
4. Step 4: Simplify right side
   30,898.13x = 4,551,239,503.27
5. Step 5: Solve for x
   x = 4,551,239,503.27/30,898.13
6. Step 6: Final answer
   x = 147,298.24