Finding the Third Proportional to 2,147,174 and 4,680,172

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,174 : 4,680,172 = 4,680,172 : x
2. Step 2: Convert to fraction form
   2,147,174/4,680,172 = 4,680,172/x
3. Step 3: Cross multiply
   2,147,174x = 4,680,172 × 4,680,172
4. Step 4: Simplify right side
   2,147,174x = 21,904,009,949,584
5. Step 5: Solve for x
   x = 21,904,009,949,584/2,147,174
6. Step 6: Final answer
   x = 10,201,320.41