Finding the Third Proportional to 3,429,054 and 7,374,240

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429,054 : 7,374,240 = 7,374,240 : x
2. Step 2: Convert to fraction form
   3,429,054/7,374,240 = 7,374,240/x
3. Step 3: Cross multiply
   3,429,054x = 7,374,240 × 7,374,240
4. Step 4: Simplify right side
   3,429,054x = 54,379,415,577,600
5. Step 5: Solve for x
   x = 54,379,415,577,600/3,429,054
6. Step 6: Final answer
   x = 15,858,430.80