Finding the Third Proportional to 912,470 and 1,985,480

Step by Step Solution

1. Step 1: Write the proportion equation
   912,470 : 1,985,480 = 1,985,480 : x
2. Step 2: Convert to fraction form
   912,470/1,985,480 = 1,985,480/x
3. Step 3: Cross multiply
   912,470x = 1,985,480 × 1,985,480
4. Step 4: Simplify right side
   912,470x = 3,942,130,830,400
5. Step 5: Solve for x
   x = 3,942,130,830,400/912,470
6. Step 6: Final answer
   x = 4,320,285.41