Finding the Third Proportional to 149,294 and 231,154

Step by Step Solution

1. Step 1: Write the proportion equation
   149,294 : 231,154 = 231,154 : x
2. Step 2: Convert to fraction form
   149,294/231,154 = 231,154/x
3. Step 3: Cross multiply
   149,294x = 231,154 × 231,154
4. Step 4: Simplify right side
   149,294x = 53,432,171,716
5. Step 5: Solve for x
   x = 53,432,171,716/149,294
6. Step 6: Final answer
   x = 357,898.99