Finding the Third Proportional to 106,638,638 and 220,839,002

Step by Step Solution

1. Step 1: Write the proportion equation
   106,638,638 : 220,839,002 = 220,839,002 : x
2. Step 2: Convert to fraction form
   106,638,638/220,839,002 = 220,839,002/x
3. Step 3: Cross multiply
   106,638,638x = 220,839,002 × 220,839,002
4. Step 4: Simplify right side
   106,638,638x = 48,769,864,804,356,000
5. Step 5: Solve for x
   x = 48,769,864,804,356,000/106,638,638
6. Step 6: Final answer
   x = 457,337,656.59