Finding the Third Proportional to 6,199,820 and 13,137,172

Step by Step Solution

1. Step 1: Write the proportion equation
   6,199,820 : 13,137,172 = 13,137,172 : x
2. Step 2: Convert to fraction form
   6,199,820/13,137,172 = 13,137,172/x
3. Step 3: Cross multiply
   6,199,820x = 13,137,172 × 13,137,172
4. Step 4: Simplify right side
   6,199,820x = 172,585,288,157,584
5. Step 5: Solve for x
   x = 172,585,288,157,584/6,199,820
6. Step 6: Final answer
   x = 27,837,144.97