Finding the Third Proportional to 2,572,320 and 3,784,128

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,320 : 3,784,128 = 3,784,128 : x
2. Step 2: Convert to fraction form
   2,572,320/3,784,128 = 3,784,128/x
3. Step 3: Cross multiply
   2,572,320x = 3,784,128 × 3,784,128
4. Step 4: Simplify right side
   2,572,320x = 14,319,624,720,384
5. Step 5: Solve for x
   x = 14,319,624,720,384/2,572,320
6. Step 6: Final answer
   x = 5,566,813.12