Finding the Third Proportional to 1,920,384 and 4,186,368

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920,384 : 4,186,368 = 4,186,368 : x
2. Step 2: Convert to fraction form
   1,920,384/4,186,368 = 4,186,368/x
3. Step 3: Cross multiply
   1,920,384x = 4,186,368 × 4,186,368
4. Step 4: Simplify right side
   1,920,384x = 17,525,677,031,424
5. Step 5: Solve for x
   x = 17,525,677,031,424/1,920,384
6. Step 6: Final answer
   x = 9,126,131.56