Finding the Third Proportional to 4,938,574 and 7,421,010

Step by Step Solution

1. Step 1: Write the proportion equation
   4,938,574 : 7,421,010 = 7,421,010 : x
2. Step 2: Convert to fraction form
   4,938,574/7,421,010 = 7,421,010/x
3. Step 3: Cross multiply
   4,938,574x = 7,421,010 × 7,421,010
4. Step 4: Simplify right side
   4,938,574x = 55,071,389,420,100
5. Step 5: Solve for x
   x = 55,071,389,420,100/4,938,574
6. Step 6: Final answer
   x = 11,151,273.51