Finding the Third Proportional to 2,056,640 and 4,429,064

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,640 : 4,429,064 = 4,429,064 : x
2. Step 2: Convert to fraction form
   2,056,640/4,429,064 = 4,429,064/x
3. Step 3: Cross multiply
   2,056,640x = 4,429,064 × 4,429,064
4. Step 4: Simplify right side
   2,056,640x = 19,616,607,916,096
5. Step 5: Solve for x
   x = 19,616,607,916,096/2,056,640
6. Step 6: Final answer
   x = 9,538,182.63