Finding the Third Proportional to 619,200 and 1,264,632

Step by Step Solution

1. Step 1: Write the proportion equation
   619,200 : 1,264,632 = 1,264,632 : x
2. Step 2: Convert to fraction form
   619,200/1,264,632 = 1,264,632/x
3. Step 3: Cross multiply
   619,200x = 1,264,632 × 1,264,632
4. Step 4: Simplify right side
   619,200x = 1,599,294,095,424
5. Step 5: Solve for x
   x = 1,599,294,095,424/619,200
6. Step 6: Final answer
   x = 2,582,839.30