Finding the Third Proportional to 30,418 and 45,501

Step by Step Solution

1. Step 1: Write the proportion equation
   30,418 : 45,501 = 45,501 : x
2. Step 2: Convert to fraction form
   30,418/45,501 = 45,501/x
3. Step 3: Cross multiply
   30,418x = 45,501 × 45,501
4. Step 4: Simplify right side
   30,418x = 2,070,341,001
5. Step 5: Solve for x
   x = 2,070,341,001/30,418
6. Step 6: Final answer
   x = 68,063.02