Finding the Third Proportional to 6,513,389 and 13,620,994

Step by Step Solution

1. Step 1: Write the proportion equation
   6,513,389 : 13,620,994 = 13,620,994 : x
2. Step 2: Convert to fraction form
   6,513,389/13,620,994 = 13,620,994/x
3. Step 3: Cross multiply
   6,513,389x = 13,620,994 × 13,620,994
4. Step 4: Simplify right side
   6,513,389x = 185,531,477,548,036
5. Step 5: Solve for x
   x = 185,531,477,548,036/6,513,389
6. Step 6: Final answer
   x = 28,484,630.28