Finding the Third Proportional to 5,014,300 and 7,638,990

Step by Step Solution

1. Step 1: Write the proportion equation
   5,014,300 : 7,638,990 = 7,638,990 : x
2. Step 2: Convert to fraction form
   5,014,300/7,638,990 = 7,638,990/x
3. Step 3: Cross multiply
   5,014,300x = 7,638,990 × 7,638,990
4. Step 4: Simplify right side
   5,014,300x = 58,354,168,220,100
5. Step 5: Solve for x
   x = 58,354,168,220,100/5,014,300
6. Step 6: Final answer
   x = 11,637,550.25