Finding the Third Proportional to 564,718.50 and 848,340

Step by Step Solution

1. Step 1: Write the proportion equation
   564,718.50 : 848,340 = 848,340 : x
2. Step 2: Convert to fraction form
   564,718.50/848,340 = 848,340/x
3. Step 3: Cross multiply
   564,718.50x = 848,340 × 848,340
4. Step 4: Simplify right side
   564,718.50x = 719,680,755,600
5. Step 5: Solve for x
   x = 719,680,755,600/564,718.50
6. Step 6: Final answer
   x = 1,274,406.20