Finding the Third Proportional to 577,218 and 1,279,020

Step by Step Solution

1. Step 1: Write the proportion equation
   577,218 : 1,279,020 = 1,279,020 : x
2. Step 2: Convert to fraction form
   577,218/1,279,020 = 1,279,020/x
3. Step 3: Cross multiply
   577,218x = 1,279,020 × 1,279,020
4. Step 4: Simplify right side
   577,218x = 1,635,892,160,400
5. Step 5: Solve for x
   x = 1,635,892,160,400/577,218
6. Step 6: Final answer
   x = 2,834,097.62