Finding the Third Proportional to 874,478 and 1,912,468

Step by Step Solution

1. Step 1: Write the proportion equation
   874,478 : 1,912,468 = 1,912,468 : x
2. Step 2: Convert to fraction form
   874,478/1,912,468 = 1,912,468/x
3. Step 3: Cross multiply
   874,478x = 1,912,468 × 1,912,468
4. Step 4: Simplify right side
   874,478x = 3,657,533,851,024
5. Step 5: Solve for x
   x = 3,657,533,851,024/874,478
6. Step 6: Final answer
   x = 4,182,533.87