Finding the Third Proportional to 1,248,594 and 2,686,564

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,594 : 2,686,564 = 2,686,564 : x
2. Step 2: Convert to fraction form
   1,248,594/2,686,564 = 2,686,564/x
3. Step 3: Cross multiply
   1,248,594x = 2,686,564 × 2,686,564
4. Step 4: Simplify right side
   1,248,594x = 7,217,626,126,096
5. Step 5: Solve for x
   x = 7,217,626,126,096/1,248,594
6. Step 6: Final answer
   x = 5,780,602.92