Finding the Third Proportional to 1,865,520 and 3,955,230

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,520 : 3,955,230 = 3,955,230 : x
2. Step 2: Convert to fraction form
   1,865,520/3,955,230 = 3,955,230/x
3. Step 3: Cross multiply
   1,865,520x = 3,955,230 × 3,955,230
4. Step 4: Simplify right side
   1,865,520x = 15,643,844,352,900
5. Step 5: Solve for x
   x = 15,643,844,352,900/1,865,520
6. Step 6: Final answer
   x = 8,385,782.17