Finding the Third Proportional to 1,953,090 and 4,278,564

Step by Step Solution

1. Step 1: Write the proportion equation
   1,953,090 : 4,278,564 = 4,278,564 : x
2. Step 2: Convert to fraction form
   1,953,090/4,278,564 = 4,278,564/x
3. Step 3: Cross multiply
   1,953,090x = 4,278,564 × 4,278,564
4. Step 4: Simplify right side
   1,953,090x = 18,306,109,902,096
5. Step 5: Solve for x
   x = 18,306,109,902,096/1,953,090
6. Step 6: Final answer
   x = 9,372,896.23