Finding the Third Proportional to 598,762 and 1,290,836

Step by Step Solution

1. Step 1: Write the proportion equation
   598,762 : 1,290,836 = 1,290,836 : x
2. Step 2: Convert to fraction form
   598,762/1,290,836 = 1,290,836/x
3. Step 3: Cross multiply
   598,762x = 1,290,836 × 1,290,836
4. Step 4: Simplify right side
   598,762x = 1,666,257,578,896
5. Step 5: Solve for x
   x = 1,666,257,578,896/598,762
6. Step 6: Final answer
   x = 2,782,837.89