Finding the Third Proportional to 618,834 and 984,685.50

Step by Step Solution

1. Step 1: Write the proportion equation
   618,834 : 984,685.50 = 984,685.50 : x
2. Step 2: Convert to fraction form
   618,834/984,685.50 = 984,685.50/x
3. Step 3: Cross multiply
   618,834x = 984,685.50 × 984,685.50
4. Step 4: Simplify right side
   618,834x = 969,605,533,910.25
5. Step 5: Solve for x
   x = 969,605,533,910.25/618,834
6. Step 6: Final answer
   x = 1,566,826.54