Finding the Third Proportional to 1,485,807 and 3,256,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485,807 : 3,256,428 = 3,256,428 : x
2. Step 2: Convert to fraction form
   1,485,807/3,256,428 = 3,256,428/x
3. Step 3: Cross multiply
   1,485,807x = 3,256,428 × 3,256,428
4. Step 4: Simplify right side
   1,485,807x = 10,604,323,319,184
5. Step 5: Solve for x
   x = 10,604,323,319,184/1,485,807
6. Step 6: Final answer
   x = 7,137,079.93