Finding the Third Proportional to 2,198,877 and 4,730,178

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198,877 : 4,730,178 = 4,730,178 : x
2. Step 2: Convert to fraction form
   2,198,877/4,730,178 = 4,730,178/x
3. Step 3: Cross multiply
   2,198,877x = 4,730,178 × 4,730,178
4. Step 4: Simplify right side
   2,198,877x = 22,374,583,911,684
5. Step 5: Solve for x
   x = 22,374,583,911,684/2,198,877
6. Step 6: Final answer
   x = 10,175,459.52