Finding the Third Proportional to 3,670,446 and 7,872,328

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,446 : 7,872,328 = 7,872,328 : x
2. Step 2: Convert to fraction form
   3,670,446/7,872,328 = 7,872,328/x
3. Step 3: Cross multiply
   3,670,446x = 7,872,328 × 7,872,328
4. Step 4: Simplify right side
   3,670,446x = 61,973,548,139,584
5. Step 5: Solve for x
   x = 61,973,548,139,584/3,670,446
6. Step 6: Final answer
   x = 16,884,473.48