Finding the Third Proportional to 2,153,256 and 4,529,712

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,256 : 4,529,712 = 4,529,712 : x
2. Step 2: Convert to fraction form
   2,153,256/4,529,712 = 4,529,712/x
3. Step 3: Cross multiply
   2,153,256x = 4,529,712 × 4,529,712
4. Step 4: Simplify right side
   2,153,256x = 20,518,290,802,944
5. Step 5: Solve for x
   x = 20,518,290,802,944/2,153,256
6. Step 6: Final answer
   x = 9,528,960.24