Finding the Third Proportional to 223,588 and 359,034

Step by Step Solution

1. Step 1: Write the proportion equation
   223,588 : 359,034 = 359,034 : x
2. Step 2: Convert to fraction form
   223,588/359,034 = 359,034/x
3. Step 3: Cross multiply
   223,588x = 359,034 × 359,034
4. Step 4: Simplify right side
   223,588x = 128,905,413,156
5. Step 5: Solve for x
   x = 128,905,413,156/223,588
6. Step 6: Final answer
   x = 576,531.00