Finding the Third Proportional to 2,334,978 and 5,129,672

Step by Step Solution

1. Step 1: Write the proportion equation
   2,334,978 : 5,129,672 = 5,129,672 : x
2. Step 2: Convert to fraction form
   2,334,978/5,129,672 = 5,129,672/x
3. Step 3: Cross multiply
   2,334,978x = 5,129,672 × 5,129,672
4. Step 4: Simplify right side
   2,334,978x = 26,313,534,827,584
5. Step 5: Solve for x
   x = 26,313,534,827,584/2,334,978
6. Step 6: Final answer
   x = 11,269,285.98