Finding the Third Proportional to 2,573,012 and 5,478,812

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573,012 : 5,478,812 = 5,478,812 : x
2. Step 2: Convert to fraction form
   2,573,012/5,478,812 = 5,478,812/x
3. Step 3: Cross multiply
   2,573,012x = 5,478,812 × 5,478,812
4. Step 4: Simplify right side
   2,573,012x = 30,017,380,931,344
5. Step 5: Solve for x
   x = 30,017,380,931,344/2,573,012
6. Step 6: Final answer
   x = 11,666,242.11