Finding the Third Proportional to 1,903,380 and 4,120,386

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903,380 : 4,120,386 = 4,120,386 : x
2. Step 2: Convert to fraction form
   1,903,380/4,120,386 = 4,120,386/x
3. Step 3: Cross multiply
   1,903,380x = 4,120,386 × 4,120,386
4. Step 4: Simplify right side
   1,903,380x = 16,977,580,788,996
5. Step 5: Solve for x
   x = 16,977,580,788,996/1,903,380
6. Step 6: Final answer
   x = 8,919,701.16