Finding the Third Proportional to 597,543 and 1,290,222

Step by Step Solution

1. Step 1: Write the proportion equation
   597,543 : 1,290,222 = 1,290,222 : x
2. Step 2: Convert to fraction form
   597,543/1,290,222 = 1,290,222/x
3. Step 3: Cross multiply
   597,543x = 1,290,222 × 1,290,222
4. Step 4: Simplify right side
   597,543x = 1,664,672,809,284
5. Step 5: Solve for x
   x = 1,664,672,809,284/597,543
6. Step 6: Final answer
   x = 2,785,862.79