Finding the Third Proportional to 45,210 and 63,684

Step by Step Solution

1. Step 1: Write the proportion equation
   45,210 : 63,684 = 63,684 : x
2. Step 2: Convert to fraction form
   45,210/63,684 = 63,684/x
3. Step 3: Cross multiply
   45,210x = 63,684 × 63,684
4. Step 4: Simplify right side
   45,210x = 4,055,651,856
5. Step 5: Solve for x
   x = 4,055,651,856/45,210
6. Step 6: Final answer
   x = 89,706.96