Finding the Third Proportional to 598,752 and 1,290,816

Step by Step Solution

1. Step 1: Write the proportion equation
   598,752 : 1,290,816 = 1,290,816 : x
2. Step 2: Convert to fraction form
   598,752/1,290,816 = 1,290,816/x
3. Step 3: Cross multiply
   598,752x = 1,290,816 × 1,290,816
4. Step 4: Simplify right side
   598,752x = 1,666,205,945,856
5. Step 5: Solve for x
   x = 1,666,205,945,856/598,752
6. Step 6: Final answer
   x = 2,782,798.13