Finding the Third Proportional to 711,025.50 and 1,555,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   711,025.50 : 1,555,072.50 = 1,555,072.50 : x
2. Step 2: Convert to fraction form
   711,025.50/1,555,072.50 = 1,555,072.50/x
3. Step 3: Cross multiply
   711,025.50x = 1,555,072.50 × 1,555,072.50
4. Step 4: Simplify right side
   711,025.50x = 2,418,250,480,256.25
5. Step 5: Solve for x
   x = 2,418,250,480,256.25/711,025.50
6. Step 6: Final answer
   x = 3,401,074.20