Finding the Third Proportional to 3,429,063 and 7,374,258

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429,063 : 7,374,258 = 7,374,258 : x
2. Step 2: Convert to fraction form
   3,429,063/7,374,258 = 7,374,258/x
3. Step 3: Cross multiply
   3,429,063x = 7,374,258 × 7,374,258
4. Step 4: Simplify right side
   3,429,063x = 54,379,681,050,564
5. Step 5: Solve for x
   x = 54,379,681,050,564/3,429,063
6. Step 6: Final answer
   x = 15,858,466.60