Finding the Third Proportional to 3,646,039 and 7,948,138

Step by Step Solution

1. Step 1: Write the proportion equation
   3,646,039 : 7,948,138 = 7,948,138 : x
2. Step 2: Convert to fraction form
   3,646,039/7,948,138 = 7,948,138/x
3. Step 3: Cross multiply
   3,646,039x = 7,948,138 × 7,948,138
4. Step 4: Simplify right side
   3,646,039x = 63,172,897,667,044
5. Step 5: Solve for x
   x = 63,172,897,667,044/3,646,039
6. Step 6: Final answer
   x = 17,326,445.95