Finding the Third Proportional to 4,072,968 and 8,043,120

Step by Step Solution

1. Step 1: Write the proportion equation
   4,072,968 : 8,043,120 = 8,043,120 : x
2. Step 2: Convert to fraction form
   4,072,968/8,043,120 = 8,043,120/x
3. Step 3: Cross multiply
   4,072,968x = 8,043,120 × 8,043,120
4. Step 4: Simplify right side
   4,072,968x = 64,691,779,334,400
5. Step 5: Solve for x
   x = 64,691,779,334,400/4,072,968
6. Step 6: Final answer
   x = 15,883,203.44