Finding the Third Proportional to 1,916,216 and 4,172,634

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916,216 : 4,172,634 = 4,172,634 : x
2. Step 2: Convert to fraction form
   1,916,216/4,172,634 = 4,172,634/x
3. Step 3: Cross multiply
   1,916,216x = 4,172,634 × 4,172,634
4. Step 4: Simplify right side
   1,916,216x = 17,410,874,497,956
5. Step 5: Solve for x
   x = 17,410,874,497,956/1,916,216
6. Step 6: Final answer
   x = 9,086,070.93