Finding the Third Proportional to 2,056,121 and 4,455,448

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,121 : 4,455,448 = 4,455,448 : x
2. Step 2: Convert to fraction form
   2,056,121/4,455,448 = 4,455,448/x
3. Step 3: Cross multiply
   2,056,121x = 4,455,448 × 4,455,448
4. Step 4: Simplify right side
   2,056,121x = 19,851,016,880,704
5. Step 5: Solve for x
   x = 19,851,016,880,704/2,056,121
6. Step 6: Final answer
   x = 9,654,595.66