Finding the Third Proportional to 1,830,128 and 2,640,184

Step by Step Solution

1. Step 1: Write the proportion equation
   1,830,128 : 2,640,184 = 2,640,184 : x
2. Step 2: Convert to fraction form
   1,830,128/2,640,184 = 2,640,184/x
3. Step 3: Cross multiply
   1,830,128x = 2,640,184 × 2,640,184
4. Step 4: Simplify right side
   1,830,128x = 6,970,571,553,856
5. Step 5: Solve for x
   x = 6,970,571,553,856/1,830,128
6. Step 6: Final answer
   x = 3,808,789.09