Finding the Third Proportional to 3,664,674 and 7,979,940

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664,674 : 7,979,940 = 7,979,940 : x
2. Step 2: Convert to fraction form
   3,664,674/7,979,940 = 7,979,940/x
3. Step 3: Cross multiply
   3,664,674x = 7,979,940 × 7,979,940
4. Step 4: Simplify right side
   3,664,674x = 63,679,442,403,600
5. Step 5: Solve for x
   x = 63,679,442,403,600/3,664,674
6. Step 6: Final answer
   x = 17,376,564.03