Finding the Third Proportional to 1,785,128 and 3,860,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,785,128 : 3,860,320 = 3,860,320 : x
2. Step 2: Convert to fraction form
   1,785,128/3,860,320 = 3,860,320/x
3. Step 3: Cross multiply
   1,785,128x = 3,860,320 × 3,860,320
4. Step 4: Simplify right side
   1,785,128x = 14,902,070,502,400
5. Step 5: Solve for x
   x = 14,902,070,502,400/1,785,128
6. Step 6: Final answer
   x = 8,347,900.26