Finding the Third Proportional to 2,087,256 and 4,531,428

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087,256 : 4,531,428 = 4,531,428 : x
2. Step 2: Convert to fraction form
   2,087,256/4,531,428 = 4,531,428/x
3. Step 3: Cross multiply
   2,087,256x = 4,531,428 × 4,531,428
4. Step 4: Simplify right side
   2,087,256x = 20,533,839,719,184
5. Step 5: Solve for x
   x = 20,533,839,719,184/2,087,256
6. Step 6: Final answer
   x = 9,837,719.82