Finding the Third Proportional to 6,648,686 and 14,558,490

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648,686 : 14,558,490 = 14,558,490 : x
2. Step 2: Convert to fraction form
   6,648,686/14,558,490 = 14,558,490/x
3. Step 3: Cross multiply
   6,648,686x = 14,558,490 × 14,558,490
4. Step 4: Simplify right side
   6,648,686x = 211,949,631,080,100
5. Step 5: Solve for x
   x = 211,949,631,080,100/6,648,686
6. Step 6: Final answer
   x = 31,878,423.96