Finding the Third Proportional to 1,945,220 and 4,190,058

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945,220 : 4,190,058 = 4,190,058 : x
2. Step 2: Convert to fraction form
   1,945,220/4,190,058 = 4,190,058/x
3. Step 3: Cross multiply
   1,945,220x = 4,190,058 × 4,190,058
4. Step 4: Simplify right side
   1,945,220x = 17,556,586,043,364
5. Step 5: Solve for x
   x = 17,556,586,043,364/1,945,220
6. Step 6: Final answer
   x = 9,025,501.51