Finding the Third Proportional to 623,467 and 1,340,174

Step by Step Solution

1. Step 1: Write the proportion equation
   623,467 : 1,340,174 = 1,340,174 : x
2. Step 2: Convert to fraction form
   623,467/1,340,174 = 1,340,174/x
3. Step 3: Cross multiply
   623,467x = 1,340,174 × 1,340,174
4. Step 4: Simplify right side
   623,467x = 1,796,066,350,276
5. Step 5: Solve for x
   x = 1,796,066,350,276/623,467
6. Step 6: Final answer
   x = 2,880,772.12