Finding the Third Proportional to 110,620.50 and 260,026.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,620.50 : 260,026.50 = 260,026.50 : x
2. Step 2: Convert to fraction form
   110,620.50/260,026.50 = 260,026.50/x
3. Step 3: Cross multiply
   110,620.50x = 260,026.50 × 260,026.50
4. Step 4: Simplify right side
   110,620.50x = 67,613,780,702.25
5. Step 5: Solve for x
   x = 67,613,780,702.25/110,620.50
6. Step 6: Final answer
   x = 611,222.88