Finding the Third Proportional to 347,661 and 732,685.50

Step by Step Solution

1. Step 1: Write the proportion equation
   347,661 : 732,685.50 = 732,685.50 : x
2. Step 2: Convert to fraction form
   347,661/732,685.50 = 732,685.50/x
3. Step 3: Cross multiply
   347,661x = 732,685.50 × 732,685.50
4. Step 4: Simplify right side
   347,661x = 536,828,041,910.25
5. Step 5: Solve for x
   x = 536,828,041,910.25/347,661
6. Step 6: Final answer
   x = 1,544,113.50