Finding the Third Proportional to 1,907,829 and 4,146,939

Step by Step Solution

1. Step 1: Write the proportion equation
   1,907,829 : 4,146,939 = 4,146,939 : x
2. Step 2: Convert to fraction form
   1,907,829/4,146,939 = 4,146,939/x
3. Step 3: Cross multiply
   1,907,829x = 4,146,939 × 4,146,939
4. Step 4: Simplify right side
   1,907,829x = 17,197,103,069,721
5. Step 5: Solve for x
   x = 17,197,103,069,721/1,907,829
6. Step 6: Final answer
   x = 9,013,964.60