Finding the Third Proportional to 559,272 and 838,968.75

Step by Step Solution

1. Step 1: Write the proportion equation
   559,272 : 838,968.75 = 838,968.75 : x
2. Step 2: Convert to fraction form
   559,272/838,968.75 = 838,968.75/x
3. Step 3: Cross multiply
   559,272x = 838,968.75 × 838,968.75
4. Step 4: Simplify right side
   559,272x = 703,868,563,476.56
5. Step 5: Solve for x
   x = 703,868,563,476.56/559,272
6. Step 6: Final answer
   x = 1,258,544.26