Finding the Third Proportional to 13,276.50 and 31,323

Step by Step Solution

1. Step 1: Write the proportion equation
   13,276.50 : 31,323 = 31,323 : x
2. Step 2: Convert to fraction form
   13,276.50/31,323 = 31,323/x
3. Step 3: Cross multiply
   13,276.50x = 31,323 × 31,323
4. Step 4: Simplify right side
   13,276.50x = 981,130,329
5. Step 5: Solve for x
   x = 981,130,329/13,276.50
6. Step 6: Final answer
   x = 73,899.77