Finding the Third Proportional to 3,709,376 and 7,817,268

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709,376 : 7,817,268 = 7,817,268 : x
2. Step 2: Convert to fraction form
   3,709,376/7,817,268 = 7,817,268/x
3. Step 3: Cross multiply
   3,709,376x = 7,817,268 × 7,817,268
4. Step 4: Simplify right side
   3,709,376x = 61,109,678,983,824
5. Step 5: Solve for x
   x = 61,109,678,983,824/3,709,376
6. Step 6: Final answer
   x = 16,474,382.48