Finding the Third Proportional to 476,428.50 and 737,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   476,428.50 : 737,149.50 = 737,149.50 : x
2. Step 2: Convert to fraction form
   476,428.50/737,149.50 = 737,149.50/x
3. Step 3: Cross multiply
   476,428.50x = 737,149.50 × 737,149.50
4. Step 4: Simplify right side
   476,428.50x = 543,389,385,350.25
5. Step 5: Solve for x
   x = 543,389,385,350.25/476,428.50
6. Step 6: Final answer
   x = 1,140,547.61