Finding the Third Proportional to 190,930 and 377,030

Step by Step Solution

1. Step 1: Write the proportion equation
   190,930 : 377,030 = 377,030 : x
2. Step 2: Convert to fraction form
   190,930/377,030 = 377,030/x
3. Step 3: Cross multiply
   190,930x = 377,030 × 377,030
4. Step 4: Simplify right side
   190,930x = 142,151,620,900
5. Step 5: Solve for x
   x = 142,151,620,900/190,930
6. Step 6: Final answer
   x = 744,522.19