Finding the Third Proportional to 3,543,778.69 and 5,314,573.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,543,778.69 : 5,314,573.69 = 5,314,573.69 : x
2. Step 2: Convert to fraction form
   3,543,778.69/5,314,573.69 = 5,314,573.69/x
3. Step 3: Cross multiply
   3,543,778.69x = 5,314,573.69 × 5,314,573.69
4. Step 4: Simplify right side
   3,543,778.69x = 28,244,693,479,867.35
5. Step 5: Solve for x
   x = 28,244,693,479,867.35/3,543,778.69
6. Step 6: Final answer
   x = 7,970,219.35