Finding the Third Proportional to 3,467,908 and 7,447,140

Step by Step Solution

1. Step 1: Write the proportion equation
   3,467,908 : 7,447,140 = 7,447,140 : x
2. Step 2: Convert to fraction form
   3,467,908/7,447,140 = 7,447,140/x
3. Step 3: Cross multiply
   3,467,908x = 7,447,140 × 7,447,140
4. Step 4: Simplify right side
   3,467,908x = 55,459,894,179,600
5. Step 5: Solve for x
   x = 55,459,894,179,600/3,467,908
6. Step 6: Final answer
   x = 15,992,319.92