Finding the Third Proportional to 598,512 and 903,978

Step by Step Solution

1. Step 1: Write the proportion equation
   598,512 : 903,978 = 903,978 : x
2. Step 2: Convert to fraction form
   598,512/903,978 = 903,978/x
3. Step 3: Cross multiply
   598,512x = 903,978 × 903,978
4. Step 4: Simplify right side
   598,512x = 817,176,224,484
5. Step 5: Solve for x
   x = 817,176,224,484/598,512
6. Step 6: Final answer
   x = 1,365,346.43