Finding the Third Proportional to 598,618.50 and 929,406

Step by Step Solution

1. Step 1: Write the proportion equation
   598,618.50 : 929,406 = 929,406 : x
2. Step 2: Convert to fraction form
   598,618.50/929,406 = 929,406/x
3. Step 3: Cross multiply
   598,618.50x = 929,406 × 929,406
4. Step 4: Simplify right side
   598,618.50x = 863,795,512,836
5. Step 5: Solve for x
   x = 863,795,512,836/598,618.50
6. Step 6: Final answer
   x = 1,442,981.65