Finding the Third Proportional to 499,532.06 and 779,923.69

Step by Step Solution

1. Step 1: Write the proportion equation
   499,532.06 : 779,923.69 = 779,923.69 : x
2. Step 2: Convert to fraction form
   499,532.06/779,923.69 = 779,923.69/x
3. Step 3: Cross multiply
   499,532.06x = 779,923.69 × 779,923.69
4. Step 4: Simplify right side
   499,532.06x = 608,280,958,323.60
5. Step 5: Solve for x
   x = 608,280,958,323.60/499,532.06
6. Step 6: Final answer
   x = 1,217,701.53