Finding the Third Proportional to 31,308 and 45,810

Step by Step Solution

1. Step 1: Write the proportion equation
   31,308 : 45,810 = 45,810 : x
2. Step 2: Convert to fraction form
   31,308/45,810 = 45,810/x
3. Step 3: Cross multiply
   31,308x = 45,810 × 45,810
4. Step 4: Simplify right side
   31,308x = 2,098,556,100
5. Step 5: Solve for x
   x = 2,098,556,100/31,308
6. Step 6: Final answer
   x = 67,029.39