Finding the Third Proportional to 2,299,672 and 4,837,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299,672 : 4,837,640 = 4,837,640 : x
2. Step 2: Convert to fraction form
   2,299,672/4,837,640 = 4,837,640/x
3. Step 3: Cross multiply
   2,299,672x = 4,837,640 × 4,837,640
4. Step 4: Simplify right side
   2,299,672x = 23,402,760,769,600
5. Step 5: Solve for x
   x = 23,402,760,769,600/2,299,672
6. Step 6: Final answer
   x = 10,176,564.64