Finding the Third Proportional to 4,638,693 and 7,456,674

Step by Step Solution

1. Step 1: Write the proportion equation
   4,638,693 : 7,456,674 = 7,456,674 : x
2. Step 2: Convert to fraction form
   4,638,693/7,456,674 = 7,456,674/x
3. Step 3: Cross multiply
   4,638,693x = 7,456,674 × 7,456,674
4. Step 4: Simplify right side
   4,638,693x = 55,601,987,142,276
5. Step 5: Solve for x
   x = 55,601,987,142,276/4,638,693
6. Step 6: Final answer
   x = 11,986,563.27