Finding the Third Proportional to 74,946.50 and 156,818

Step by Step Solution

1. Step 1: Write the proportion equation
   74,946.50 : 156,818 = 156,818 : x
2. Step 2: Convert to fraction form
   74,946.50/156,818 = 156,818/x
3. Step 3: Cross multiply
   74,946.50x = 156,818 × 156,818
4. Step 4: Simplify right side
   74,946.50x = 24,591,885,124
5. Step 5: Solve for x
   x = 24,591,885,124/74,946.50
6. Step 6: Final answer
   x = 328,125.86