Finding the Third Proportional to 1,272,960 and 1,784,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,960 : 1,784,448 = 1,784,448 : x
2. Step 2: Convert to fraction form
   1,272,960/1,784,448 = 1,784,448/x
3. Step 3: Cross multiply
   1,272,960x = 1,784,448 × 1,784,448
4. Step 4: Simplify right side
   1,272,960x = 3,184,254,664,704
5. Step 5: Solve for x
   x = 3,184,254,664,704/1,272,960
6. Step 6: Final answer
   x = 2,501,456.97