Finding the Third Proportional to 2,112,380 and 4,561,486

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,380 : 4,561,486 = 4,561,486 : x
2. Step 2: Convert to fraction form
   2,112,380/4,561,486 = 4,561,486/x
3. Step 3: Cross multiply
   2,112,380x = 4,561,486 × 4,561,486
4. Step 4: Simplify right side
   2,112,380x = 20,807,154,528,196
5. Step 5: Solve for x
   x = 20,807,154,528,196/2,112,380
6. Step 6: Final answer
   x = 9,850,100.14