Finding the Third Proportional to 5,728,698 and 12,479,940

Step by Step Solution

1. Step 1: Write the proportion equation
   5,728,698 : 12,479,940 = 12,479,940 : x
2. Step 2: Convert to fraction form
   5,728,698/12,479,940 = 12,479,940/x
3. Step 3: Cross multiply
   5,728,698x = 12,479,940 × 12,479,940
4. Step 4: Simplify right side
   5,728,698x = 155,748,902,403,600
5. Step 5: Solve for x
   x = 155,748,902,403,600/5,728,698
6. Step 6: Final answer
   x = 27,187,487.00