Finding the Third Proportional to 522,072 and 830,725.88

Step by Step Solution

1. Step 1: Write the proportion equation
   522,072 : 830,725.88 = 830,725.88 : x
2. Step 2: Convert to fraction form
   522,072/830,725.88 = 830,725.88/x
3. Step 3: Cross multiply
   522,072x = 830,725.88 × 830,725.88
4. Step 4: Simplify right side
   522,072x = 690,105,479,394.52
5. Step 5: Solve for x
   x = 690,105,479,394.52/522,072
6. Step 6: Final answer
   x = 1,321,858.82