Finding the Third Proportional to 101,408,606 and 221,400,123

Step by Step Solution

1. Step 1: Write the proportion equation
   101,408,606 : 221,400,123 = 221,400,123 : x
2. Step 2: Convert to fraction form
   101,408,606/221,400,123 = 221,400,123/x
3. Step 3: Cross multiply
   101,408,606x = 221,400,123 × 221,400,123
4. Step 4: Simplify right side
   101,408,606x = 49,018,014,464,415,128
5. Step 5: Solve for x
   x = 49,018,014,464,415,128/101,408,606
6. Step 6: Final answer
   x = 483,371,346.85