Finding the Third Proportional to 578,276 and 1,253,085

Step by Step Solution

1. Step 1: Write the proportion equation
   578,276 : 1,253,085 = 1,253,085 : x
2. Step 2: Convert to fraction form
   578,276/1,253,085 = 1,253,085/x
3. Step 3: Cross multiply
   578,276x = 1,253,085 × 1,253,085
4. Step 4: Simplify right side
   578,276x = 1,570,222,017,225
5. Step 5: Solve for x
   x = 1,570,222,017,225/578,276
6. Step 6: Final answer
   x = 2,715,350.49