Finding the Third Proportional to 5,913,513 and 12,830,860

Step by Step Solution

1. Step 1: Write the proportion equation
   5,913,513 : 12,830,860 = 12,830,860 : x
2. Step 2: Convert to fraction form
   5,913,513/12,830,860 = 12,830,860/x
3. Step 3: Cross multiply
   5,913,513x = 12,830,860 × 12,830,860
4. Step 4: Simplify right side
   5,913,513x = 164,630,968,339,600
5. Step 5: Solve for x
   x = 164,630,968,339,600/5,913,513
6. Step 6: Final answer
   x = 27,839,791.40