Finding the Third Proportional to 4,994,980 and 7,472,423

Step by Step Solution

1. Step 1: Write the proportion equation
   4,994,980 : 7,472,423 = 7,472,423 : x
2. Step 2: Convert to fraction form
   4,994,980/7,472,423 = 7,472,423/x
3. Step 3: Cross multiply
   4,994,980x = 7,472,423 × 7,472,423
4. Step 4: Simplify right side
   4,994,980x = 55,837,105,490,929
5. Step 5: Solve for x
   x = 55,837,105,490,929/4,994,980
6. Step 6: Final answer
   x = 11,178,644.46