Finding the Third Proportional to 1,248,296 and 2,689,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,296 : 2,689,424 = 2,689,424 : x
2. Step 2: Convert to fraction form
   1,248,296/2,689,424 = 2,689,424/x
3. Step 3: Cross multiply
   1,248,296x = 2,689,424 × 2,689,424
4. Step 4: Simplify right side
   1,248,296x = 7,233,001,451,776
5. Step 5: Solve for x
   x = 7,233,001,451,776/1,248,296
6. Step 6: Final answer
   x = 5,794,299.95