Finding the Third Proportional to 2,487,388 and 5,355,314

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487,388 : 5,355,314 = 5,355,314 : x
2. Step 2: Convert to fraction form
   2,487,388/5,355,314 = 5,355,314/x
3. Step 3: Cross multiply
   2,487,388x = 5,355,314 × 5,355,314
4. Step 4: Simplify right side
   2,487,388x = 28,679,388,038,596
5. Step 5: Solve for x
   x = 28,679,388,038,596/2,487,388
6. Step 6: Final answer
   x = 11,529,921.36