Finding the Third Proportional to 1,920,384 and 4,138,200

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920,384 : 4,138,200 = 4,138,200 : x
2. Step 2: Convert to fraction form
   1,920,384/4,138,200 = 4,138,200/x
3. Step 3: Cross multiply
   1,920,384x = 4,138,200 × 4,138,200
4. Step 4: Simplify right side
   1,920,384x = 17,124,699,240,000
5. Step 5: Solve for x
   x = 17,124,699,240,000/1,920,384
6. Step 6: Final answer
   x = 8,917,330.72