Finding the Third Proportional to 234,030 and 359,490

Step by Step Solution

1. Step 1: Write the proportion equation
   234,030 : 359,490 = 359,490 : x
2. Step 2: Convert to fraction form
   234,030/359,490 = 359,490/x
3. Step 3: Cross multiply
   234,030x = 359,490 × 359,490
4. Step 4: Simplify right side
   234,030x = 129,233,060,100
5. Step 5: Solve for x
   x = 129,233,060,100/234,030
6. Step 6: Final answer
   x = 552,207.24