Finding the Third Proportional to 362,353.50 and 771,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   362,353.50 : 771,484.50 = 771,484.50 : x
2. Step 2: Convert to fraction form
   362,353.50/771,484.50 = 771,484.50/x
3. Step 3: Cross multiply
   362,353.50x = 771,484.50 × 771,484.50
4. Step 4: Simplify right side
   362,353.50x = 595,188,333,740.25
5. Step 5: Solve for x
   x = 595,188,333,740.25/362,353.50
6. Step 6: Final answer
   x = 1,642,562.67