Finding the Third Proportional to 437,490 and 714,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   437,490 : 714,379.50 = 714,379.50 : x
2. Step 2: Convert to fraction form
   437,490/714,379.50 = 714,379.50/x
3. Step 3: Cross multiply
   437,490x = 714,379.50 × 714,379.50
4. Step 4: Simplify right side
   437,490x = 510,338,070,020.25
5. Step 5: Solve for x
   x = 510,338,070,020.25/437,490
6. Step 6: Final answer
   x = 1,166,513.68