Finding the Third Proportional to 4,729,028 and 7,489,402

Step by Step Solution

1. Step 1: Write the proportion equation
   4,729,028 : 7,489,402 = 7,489,402 : x
2. Step 2: Convert to fraction form
   4,729,028/7,489,402 = 7,489,402/x
3. Step 3: Cross multiply
   4,729,028x = 7,489,402 × 7,489,402
4. Step 4: Simplify right side
   4,729,028x = 56,091,142,317,604
5. Step 5: Solve for x
   x = 56,091,142,317,604/4,729,028
6. Step 6: Final answer
   x = 11,861,029.86