Finding the Third Proportional to 763,456 and 1,208,706

Step by Step Solution

1. Step 1: Write the proportion equation
   763,456 : 1,208,706 = 1,208,706 : x
2. Step 2: Convert to fraction form
   763,456/1,208,706 = 1,208,706/x
3. Step 3: Cross multiply
   763,456x = 1,208,706 × 1,208,706
4. Step 4: Simplify right side
   763,456x = 1,460,970,194,436
5. Step 5: Solve for x
   x = 1,460,970,194,436/763,456
6. Step 6: Final answer
   x = 1,913,627.24