Finding the Third Proportional to 31,599 and 67,093.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,599 : 67,093.88 = 67,093.88 : x
2. Step 2: Convert to fraction form
   31,599/67,093.88 = 67,093.88/x
3. Step 3: Cross multiply
   31,599x = 67,093.88 × 67,093.88
4. Step 4: Simplify right side
   31,599x = 4,501,588,062.52
5. Step 5: Solve for x
   x = 4,501,588,062.52/31,599
6. Step 6: Final answer
   x = 142,459.83