Finding the Third Proportional to 465,213 and 737,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   465,213 : 737,857.50 = 737,857.50 : x
2. Step 2: Convert to fraction form
   465,213/737,857.50 = 737,857.50/x
3. Step 3: Cross multiply
   465,213x = 737,857.50 × 737,857.50
4. Step 4: Simplify right side
   465,213x = 544,433,690,306.25
5. Step 5: Solve for x
   x = 544,433,690,306.25/465,213
6. Step 6: Final answer
   x = 1,170,289.07