Finding the Third Proportional to 1,585,174 and 3,428,900

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585,174 : 3,428,900 = 3,428,900 : x
2. Step 2: Convert to fraction form
   1,585,174/3,428,900 = 3,428,900/x
3. Step 3: Cross multiply
   1,585,174x = 3,428,900 × 3,428,900
4. Step 4: Simplify right side
   1,585,174x = 11,757,355,210,000
5. Step 5: Solve for x
   x = 11,757,355,210,000/1,585,174
6. Step 6: Final answer
   x = 7,417,075.48