Finding the Third Proportional to 6,838,376 and 10,828,404

Step by Step Solution

1. Step 1: Write the proportion equation
   6,838,376 : 10,828,404 = 10,828,404 : x
2. Step 2: Convert to fraction form
   6,838,376/10,828,404 = 10,828,404/x
3. Step 3: Cross multiply
   6,838,376x = 10,828,404 × 10,828,404
4. Step 4: Simplify right side
   6,838,376x = 117,254,333,187,216
5. Step 5: Solve for x
   x = 117,254,333,187,216/6,838,376
6. Step 6: Final answer
   x = 17,146,517.42