Finding the Third Proportional to 140,793.50 and 306,374

Step by Step Solution

1. Step 1: Write the proportion equation
   140,793.50 : 306,374 = 306,374 : x
2. Step 2: Convert to fraction form
   140,793.50/306,374 = 306,374/x
3. Step 3: Cross multiply
   140,793.50x = 306,374 × 306,374
4. Step 4: Simplify right side
   140,793.50x = 93,865,027,876
5. Step 5: Solve for x
   x = 93,865,027,876/140,793.50
6. Step 6: Final answer
   x = 666,685.80