Finding the Third Proportional to 780,548 and 1,622,328

Step by Step Solution

1. Step 1: Write the proportion equation
   780,548 : 1,622,328 = 1,622,328 : x
2. Step 2: Convert to fraction form
   780,548/1,622,328 = 1,622,328/x
3. Step 3: Cross multiply
   780,548x = 1,622,328 × 1,622,328
4. Step 4: Simplify right side
   780,548x = 2,631,948,139,584
5. Step 5: Solve for x
   x = 2,631,948,139,584/780,548
6. Step 6: Final answer
   x = 3,371,923.49