Finding the Third Proportional to 20,630 and 45,146

Step by Step Solution

1. Step 1: Write the proportion equation
   20,630 : 45,146 = 45,146 : x
2. Step 2: Convert to fraction form
   20,630/45,146 = 45,146/x
3. Step 3: Cross multiply
   20,630x = 45,146 × 45,146
4. Step 4: Simplify right side
   20,630x = 2,038,161,316
5. Step 5: Solve for x
   x = 2,038,161,316/20,630
6. Step 6: Final answer
   x = 98,795.99