Finding the Third Proportional to 147,706.50 and 356,110.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,706.50 : 356,110.50 = 356,110.50 : x
2. Step 2: Convert to fraction form
   147,706.50/356,110.50 = 356,110.50/x
3. Step 3: Cross multiply
   147,706.50x = 356,110.50 × 356,110.50
4. Step 4: Simplify right side
   147,706.50x = 126,814,688,210.25
5. Step 5: Solve for x
   x = 126,814,688,210.25/147,706.50
6. Step 6: Final answer
   x = 858,558.62