Finding the Third Proportional to 1,903,416 and 4,120,464

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903,416 : 4,120,464 = 4,120,464 : x
2. Step 2: Convert to fraction form
   1,903,416/4,120,464 = 4,120,464/x
3. Step 3: Cross multiply
   1,903,416x = 4,120,464 × 4,120,464
4. Step 4: Simplify right side
   1,903,416x = 16,978,223,575,296
5. Step 5: Solve for x
   x = 16,978,223,575,296/1,903,416
6. Step 6: Final answer
   x = 8,919,870.16