Finding the Third Proportional to 443,353.50 and 702,141.75

Step by Step Solution

1. Step 1: Write the proportion equation
   443,353.50 : 702,141.75 = 702,141.75 : x
2. Step 2: Convert to fraction form
   443,353.50/702,141.75 = 702,141.75/x
3. Step 3: Cross multiply
   443,353.50x = 702,141.75 × 702,141.75
4. Step 4: Simplify right side
   443,353.50x = 493,003,037,093.06
5. Step 5: Solve for x
   x = 493,003,037,093.06/443,353.50
6. Step 6: Final answer
   x = 1,111,986.34