Finding the Third Proportional to 359,229 and 598,690

Step by Step Solution

1. Step 1: Write the proportion equation
   359,229 : 598,690 = 598,690 : x
2. Step 2: Convert to fraction form
   359,229/598,690 = 598,690/x
3. Step 3: Cross multiply
   359,229x = 598,690 × 598,690
4. Step 4: Simplify right side
   359,229x = 358,429,716,100
5. Step 5: Solve for x
   x = 358,429,716,100/359,229
6. Step 6: Final answer
   x = 997,775.00