Finding the Third Proportional to 2,478,842 and 5,255,308

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478,842 : 5,255,308 = 5,255,308 : x
2. Step 2: Convert to fraction form
   2,478,842/5,255,308 = 5,255,308/x
3. Step 3: Cross multiply
   2,478,842x = 5,255,308 × 5,255,308
4. Step 4: Simplify right side
   2,478,842x = 27,618,262,174,864
5. Step 5: Solve for x
   x = 27,618,262,174,864/2,478,842
6. Step 6: Final answer
   x = 11,141,598.45