Finding the Third Proportional to 3,671,120 and 7,873,672

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671,120 : 7,873,672 = 7,873,672 : x
2. Step 2: Convert to fraction form
   3,671,120/7,873,672 = 7,873,672/x
3. Step 3: Cross multiply
   3,671,120x = 7,873,672 × 7,873,672
4. Step 4: Simplify right side
   3,671,120x = 61,994,710,763,584
5. Step 5: Solve for x
   x = 61,994,710,763,584/3,671,120
6. Step 6: Final answer
   x = 16,887,138.19