Finding the Third Proportional to 490,210 and 1,025,316

Step by Step Solution

1. Step 1: Write the proportion equation
   490,210 : 1,025,316 = 1,025,316 : x
2. Step 2: Convert to fraction form
   490,210/1,025,316 = 1,025,316/x
3. Step 3: Cross multiply
   490,210x = 1,025,316 × 1,025,316
4. Step 4: Simplify right side
   490,210x = 1,051,272,899,856
5. Step 5: Solve for x
   x = 1,051,272,899,856/490,210
6. Step 6: Final answer
   x = 2,144,535.81