Finding the Third Proportional to 220,641.47 and 340,947

Step by Step Solution

1. Step 1: Write the proportion equation
   220,641.47 : 340,947 = 340,947 : x
2. Step 2: Convert to fraction form
   220,641.47/340,947 = 340,947/x
3. Step 3: Cross multiply
   220,641.47x = 340,947 × 340,947
4. Step 4: Simplify right side
   220,641.47x = 116,244,856,809
5. Step 5: Solve for x
   x = 116,244,856,809/220,641.47
6. Step 6: Final answer
   x = 526,849.54