Finding the Third Proportional to 31,850 and 69,340

Step by Step Solution

1. Step 1: Write the proportion equation
   31,850 : 69,340 = 69,340 : x
2. Step 2: Convert to fraction form
   31,850/69,340 = 69,340/x
3. Step 3: Cross multiply
   31,850x = 69,340 × 69,340
4. Step 4: Simplify right side
   31,850x = 4,808,035,600
5. Step 5: Solve for x
   x = 4,808,035,600/31,850
6. Step 6: Final answer
   x = 150,958.73