Finding the Third Proportional to 911,200 and 1,448,178

Step by Step Solution

1. Step 1: Write the proportion equation
   911,200 : 1,448,178 = 1,448,178 : x
2. Step 2: Convert to fraction form
   911,200/1,448,178 = 1,448,178/x
3. Step 3: Cross multiply
   911,200x = 1,448,178 × 1,448,178
4. Step 4: Simplify right side
   911,200x = 2,097,219,519,684
5. Step 5: Solve for x
   x = 2,097,219,519,684/911,200
6. Step 6: Final answer
   x = 2,301,601.76