Finding the Third Proportional to 147,039.75 and 322,085.25

Step by Step Solution

1. Step 1: Write the proportion equation
   147,039.75 : 322,085.25 = 322,085.25 : x
2. Step 2: Convert to fraction form
   147,039.75/322,085.25 = 322,085.25/x
3. Step 3: Cross multiply
   147,039.75x = 322,085.25 × 322,085.25
4. Step 4: Simplify right side
   147,039.75x = 103,738,908,267.56
5. Step 5: Solve for x
   x = 103,738,908,267.56/147,039.75
6. Step 6: Final answer
   x = 705,516.08