Finding the Third Proportional to 1,952,818 and 4,221,480

Step by Step Solution

1. Step 1: Write the proportion equation
   1,952,818 : 4,221,480 = 4,221,480 : x
2. Step 2: Convert to fraction form
   1,952,818/4,221,480 = 4,221,480/x
3. Step 3: Cross multiply
   1,952,818x = 4,221,480 × 4,221,480
4. Step 4: Simplify right side
   1,952,818x = 17,820,893,390,400
5. Step 5: Solve for x
   x = 17,820,893,390,400/1,952,818
6. Step 6: Final answer
   x = 9,125,731.83