Finding the Third Proportional to 2,513,135 and 5,487,143

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513,135 : 5,487,143 = 5,487,143 : x
2. Step 2: Convert to fraction form
   2,513,135/5,487,143 = 5,487,143/x
3. Step 3: Cross multiply
   2,513,135x = 5,487,143 × 5,487,143
4. Step 4: Simplify right side
   2,513,135x = 30,108,738,302,449
5. Step 5: Solve for x
   x = 30,108,738,302,449/2,513,135
6. Step 6: Final answer
   x = 11,980,549.51