Finding the Third Proportional to 2,220,581 and 4,771,570

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220,581 : 4,771,570 = 4,771,570 : x
2. Step 2: Convert to fraction form
   2,220,581/4,771,570 = 4,771,570/x
3. Step 3: Cross multiply
   2,220,581x = 4,771,570 × 4,771,570
4. Step 4: Simplify right side
   2,220,581x = 22,767,880,264,900
5. Step 5: Solve for x
   x = 22,767,880,264,900/2,220,581
6. Step 6: Final answer
   x = 10,253,118.56