Finding the Third Proportional to 31,594 and 68,248

Step by Step Solution

1. Step 1: Write the proportion equation
   31,594 : 68,248 = 68,248 : x
2. Step 2: Convert to fraction form
   31,594/68,248 = 68,248/x
3. Step 3: Cross multiply
   31,594x = 68,248 × 68,248
4. Step 4: Simplify right side
   31,594x = 4,657,789,504
5. Step 5: Solve for x
   x = 4,657,789,504/31,594
6. Step 6: Final answer
   x = 147,426.39