Finding the Third Proportional to 478,358 and 1,025,404

Step by Step Solution

1. Step 1: Write the proportion equation
   478,358 : 1,025,404 = 1,025,404 : x
2. Step 2: Convert to fraction form
   478,358/1,025,404 = 1,025,404/x
3. Step 3: Cross multiply
   478,358x = 1,025,404 × 1,025,404
4. Step 4: Simplify right side
   478,358x = 1,051,453,363,216
5. Step 5: Solve for x
   x = 1,051,453,363,216/478,358
6. Step 6: Final answer
   x = 2,198,046.99