Finding the Third Proportional to 564,699 and 848,299.50

Step by Step Solution

1. Step 1: Write the proportion equation
   564,699 : 848,299.50 = 848,299.50 : x
2. Step 2: Convert to fraction form
   564,699/848,299.50 = 848,299.50/x
3. Step 3: Cross multiply
   564,699x = 848,299.50 × 848,299.50
4. Step 4: Simplify right side
   564,699x = 719,612,041,700.25
5. Step 5: Solve for x
   x = 719,612,041,700.25/564,699
6. Step 6: Final answer
   x = 1,274,328.52