Finding the Third Proportional to 2,586,667.25 and 3,915,786

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,667.25 : 3,915,786 = 3,915,786 : x
2. Step 2: Convert to fraction form
   2,586,667.25/3,915,786 = 3,915,786/x
3. Step 3: Cross multiply
   2,586,667.25x = 3,915,786 × 3,915,786
4. Step 4: Simplify right side
   2,586,667.25x = 15,333,379,997,796
5. Step 5: Solve for x
   x = 15,333,379,997,796/2,586,667.25
6. Step 6: Final answer
   x = 5,927,851.76