Finding the Third Proportional to 31,327 and 67,579.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,327 : 67,579.50 = 67,579.50 : x
2. Step 2: Convert to fraction form
   31,327/67,579.50 = 67,579.50/x
3. Step 3: Cross multiply
   31,327x = 67,579.50 × 67,579.50
4. Step 4: Simplify right side
   31,327x = 4,566,988,820.25
5. Step 5: Solve for x
   x = 4,566,988,820.25/31,327
6. Step 6: Final answer
   x = 145,784.43