Finding the Third Proportional to 21,068 and 45,310

Step by Step Solution

1. Step 1: Write the proportion equation
   21,068 : 45,310 = 45,310 : x
2. Step 2: Convert to fraction form
   21,068/45,310 = 45,310/x
3. Step 3: Cross multiply
   21,068x = 45,310 × 45,310
4. Step 4: Simplify right side
   21,068x = 2,052,996,100
5. Step 5: Solve for x
   x = 2,052,996,100/21,068
6. Step 6: Final answer
   x = 97,446.18