Finding the Third Proportional to 1,903,442 and 4,120,516

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903,442 : 4,120,516 = 4,120,516 : x
2. Step 2: Convert to fraction form
   1,903,442/4,120,516 = 4,120,516/x
3. Step 3: Cross multiply
   1,903,442x = 4,120,516 × 4,120,516
4. Step 4: Simplify right side
   1,903,442x = 16,978,652,106,256
5. Step 5: Solve for x
   x = 16,978,652,106,256/1,903,442
6. Step 6: Final answer
   x = 8,919,973.45