Finding the Third Proportional to 918,478 and 1,448,157

Step by Step Solution

1. Step 1: Write the proportion equation
   918,478 : 1,448,157 = 1,448,157 : x
2. Step 2: Convert to fraction form
   918,478/1,448,157 = 1,448,157/x
3. Step 3: Cross multiply
   918,478x = 1,448,157 × 1,448,157
4. Step 4: Simplify right side
   918,478x = 2,097,158,696,649
5. Step 5: Solve for x
   x = 2,097,158,696,649/918,478
6. Step 6: Final answer
   x = 2,283,297.69