Finding the Third Proportional to 2,166,288 and 4,694,160

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,288 : 4,694,160 = 4,694,160 : x
2. Step 2: Convert to fraction form
   2,166,288/4,694,160 = 4,694,160/x
3. Step 3: Cross multiply
   2,166,288x = 4,694,160 × 4,694,160
4. Step 4: Simplify right side
   2,166,288x = 22,035,138,105,600
5. Step 5: Solve for x
   x = 22,035,138,105,600/2,166,288
6. Step 6: Final answer
   x = 10,171,841.47