Finding the Third Proportional to 919,136 and 1,323,840

Step by Step Solution

1. Step 1: Write the proportion equation
   919,136 : 1,323,840 = 1,323,840 : x
2. Step 2: Convert to fraction form
   919,136/1,323,840 = 1,323,840/x
3. Step 3: Cross multiply
   919,136x = 1,323,840 × 1,323,840
4. Step 4: Simplify right side
   919,136x = 1,752,552,345,600
5. Step 5: Solve for x
   x = 1,752,552,345,600/919,136
6. Step 6: Final answer
   x = 1,906,738.88