Finding the Third Proportional to 1,581,228 and 3,467,178

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,228 : 3,467,178 = 3,467,178 : x
2. Step 2: Convert to fraction form
   1,581,228/3,467,178 = 3,467,178/x
3. Step 3: Cross multiply
   1,581,228x = 3,467,178 × 3,467,178
4. Step 4: Simplify right side
   1,581,228x = 12,021,323,283,684
5. Step 5: Solve for x
   x = 12,021,323,283,684/1,581,228
6. Step 6: Final answer
   x = 7,602,523.66