Finding the Third Proportional to 5,074,832 and 7,421,712

Step by Step Solution

1. Step 1: Write the proportion equation
   5,074,832 : 7,421,712 = 7,421,712 : x
2. Step 2: Convert to fraction form
   5,074,832/7,421,712 = 7,421,712/x
3. Step 3: Cross multiply
   5,074,832x = 7,421,712 × 7,421,712
4. Step 4: Simplify right side
   5,074,832x = 55,081,809,010,944
5. Step 5: Solve for x
   x = 55,081,809,010,944/5,074,832
6. Step 6: Final answer
   x = 10,853,917.73