Finding the Third Proportional to 2,174,112 and 4,778,352

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174,112 : 4,778,352 = 4,778,352 : x
2. Step 2: Convert to fraction form
   2,174,112/4,778,352 = 4,778,352/x
3. Step 3: Cross multiply
   2,174,112x = 4,778,352 × 4,778,352
4. Step 4: Simplify right side
   2,174,112x = 22,832,647,835,904
5. Step 5: Solve for x
   x = 22,832,647,835,904/2,174,112
6. Step 6: Final answer
   x = 10,502,056.86