Finding the Third Proportional to 2,154,356 and 4,588,648

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,356 : 4,588,648 = 4,588,648 : x
2. Step 2: Convert to fraction form
   2,154,356/4,588,648 = 4,588,648/x
3. Step 3: Cross multiply
   2,154,356x = 4,588,648 × 4,588,648
4. Step 4: Simplify right side
   2,154,356x = 21,055,690,467,904
5. Step 5: Solve for x
   x = 21,055,690,467,904/2,154,356
6. Step 6: Final answer
   x = 9,773,542.75