Finding the Third Proportional to 528,907.50 and 782,244

Step by Step Solution

1. Step 1: Write the proportion equation
   528,907.50 : 782,244 = 782,244 : x
2. Step 2: Convert to fraction form
   528,907.50/782,244 = 782,244/x
3. Step 3: Cross multiply
   528,907.50x = 782,244 × 782,244
4. Step 4: Simplify right side
   528,907.50x = 611,905,675,536
5. Step 5: Solve for x
   x = 611,905,675,536/528,907.50
6. Step 6: Final answer
   x = 1,156,923.80