Finding the Third Proportional to 1,970,256 and 4,255,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,256 : 4,255,488 = 4,255,488 : x
2. Step 2: Convert to fraction form
   1,970,256/4,255,488 = 4,255,488/x
3. Step 3: Cross multiply
   1,970,256x = 4,255,488 × 4,255,488
4. Step 4: Simplify right side
   1,970,256x = 18,109,178,118,144
5. Step 5: Solve for x
   x = 18,109,178,118,144/1,970,256
6. Step 6: Final answer
   x = 9,191,281.80