Finding the Third Proportional to 1,915,612 and 4,130,194

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,612 : 4,130,194 = 4,130,194 : x
2. Step 2: Convert to fraction form
   1,915,612/4,130,194 = 4,130,194/x
3. Step 3: Cross multiply
   1,915,612x = 4,130,194 × 4,130,194
4. Step 4: Simplify right side
   1,915,612x = 17,058,502,477,636
5. Step 5: Solve for x
   x = 17,058,502,477,636/1,915,612
6. Step 6: Final answer
   x = 8,904,988.32