Finding the Third Proportional to 6,838,404 and 10,828,446

Step by Step Solution

1. Step 1: Write the proportion equation
   6,838,404 : 10,828,446 = 10,828,446 : x
2. Step 2: Convert to fraction form
   6,838,404/10,828,446 = 10,828,446/x
3. Step 3: Cross multiply
   6,838,404x = 10,828,446 × 10,828,446
4. Step 4: Simplify right side
   6,838,404x = 117,255,242,774,916
5. Step 5: Solve for x
   x = 117,255,242,774,916/6,838,404
6. Step 6: Final answer
   x = 17,146,580.22