Finding the Third Proportional to 426,820 and 915,848

Step by Step Solution

1. Step 1: Write the proportion equation
   426,820 : 915,848 = 915,848 : x
2. Step 2: Convert to fraction form
   426,820/915,848 = 915,848/x
3. Step 3: Cross multiply
   426,820x = 915,848 × 915,848
4. Step 4: Simplify right side
   426,820x = 838,777,559,104
5. Step 5: Solve for x
   x = 838,777,559,104/426,820
6. Step 6: Final answer
   x = 1,965,178.67