Finding the Third Proportional to 3,780,672 and 8,296,224

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780,672 : 8,296,224 = 8,296,224 : x
2. Step 2: Convert to fraction form
   3,780,672/8,296,224 = 8,296,224/x
3. Step 3: Cross multiply
   3,780,672x = 8,296,224 × 8,296,224
4. Step 4: Simplify right side
   3,780,672x = 68,827,332,658,176
5. Step 5: Solve for x
   x = 68,827,332,658,176/3,780,672
6. Step 6: Final answer
   x = 18,205,052.61