Finding the Third Proportional to 2,128,227 and 4,670,352

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,227 : 4,670,352 = 4,670,352 : x
2. Step 2: Convert to fraction form
   2,128,227/4,670,352 = 4,670,352/x
3. Step 3: Cross multiply
   2,128,227x = 4,670,352 × 4,670,352
4. Step 4: Simplify right side
   2,128,227x = 21,812,187,803,904
5. Step 5: Solve for x
   x = 21,812,187,803,904/2,128,227
6. Step 6: Final answer
   x = 10,248,994.96