Finding the Third Proportional to 220,761 and 341,746.50

Step by Step Solution

1. Step 1: Write the proportion equation
   220,761 : 341,746.50 = 341,746.50 : x
2. Step 2: Convert to fraction form
   220,761/341,746.50 = 341,746.50/x
3. Step 3: Cross multiply
   220,761x = 341,746.50 × 341,746.50
4. Step 4: Simplify right side
   220,761x = 116,790,670,262.25
5. Step 5: Solve for x
   x = 116,790,670,262.25/220,761
6. Step 6: Final answer
   x = 529,036.70