Finding the Third Proportional to 1,388,322 and 2,097,276

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388,322 : 2,097,276 = 2,097,276 : x
2. Step 2: Convert to fraction form
   1,388,322/2,097,276 = 2,097,276/x
3. Step 3: Cross multiply
   1,388,322x = 2,097,276 × 2,097,276
4. Step 4: Simplify right side
   1,388,322x = 4,398,566,620,176
5. Step 5: Solve for x
   x = 4,398,566,620,176/1,388,322
6. Step 6: Final answer
   x = 3,168,261.12