Finding the Third Proportional to 2,218,358 and 4,772,966

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,358 : 4,772,966 = 4,772,966 : x
2. Step 2: Convert to fraction form
   2,218,358/4,772,966 = 4,772,966/x
3. Step 3: Cross multiply
   2,218,358x = 4,772,966 × 4,772,966
4. Step 4: Simplify right side
   2,218,358x = 22,781,204,437,156
5. Step 5: Solve for x
   x = 22,781,204,437,156/2,218,358
6. Step 6: Final answer
   x = 10,269,399.46