Finding the Third Proportional to 578,261 and 1,253,053

Step by Step Solution

1. Step 1: Write the proportion equation
   578,261 : 1,253,053 = 1,253,053 : x
2. Step 2: Convert to fraction form
   578,261/1,253,053 = 1,253,053/x
3. Step 3: Cross multiply
   578,261x = 1,253,053 × 1,253,053
4. Step 4: Simplify right side
   578,261x = 1,570,141,820,809
5. Step 5: Solve for x
   x = 1,570,141,820,809/578,261
6. Step 6: Final answer
   x = 2,715,282.24