Finding the Third Proportional to 2,586,002.50 and 5,487,221

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,002.50 : 5,487,221 = 5,487,221 : x
2. Step 2: Convert to fraction form
   2,586,002.50/5,487,221 = 5,487,221/x
3. Step 3: Cross multiply
   2,586,002.50x = 5,487,221 × 5,487,221
4. Step 4: Simplify right side
   2,586,002.50x = 30,109,594,302,841
5. Step 5: Solve for x
   x = 30,109,594,302,841/2,586,002.50
6. Step 6: Final answer
   x = 11,643,296.67