Finding the Third Proportional to 342,596 and 737,684.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,596 : 737,684.50 = 737,684.50 : x
2. Step 2: Convert to fraction form
   342,596/737,684.50 = 737,684.50/x
3. Step 3: Cross multiply
   342,596x = 737,684.50 × 737,684.50
4. Step 4: Simplify right side
   342,596x = 544,178,421,540.25
5. Step 5: Solve for x
   x = 544,178,421,540.25/342,596
6. Step 6: Final answer
   x = 1,588,396.89