Finding the Third Proportional to 90,870 and 185,448

Step by Step Solution

1. Step 1: Write the proportion equation
   90,870 : 185,448 = 185,448 : x
2. Step 2: Convert to fraction form
   90,870/185,448 = 185,448/x
3. Step 3: Cross multiply
   90,870x = 185,448 × 185,448
4. Step 4: Simplify right side
   90,870x = 34,390,960,704
5. Step 5: Solve for x
   x = 34,390,960,704/90,870
6. Step 6: Final answer
   x = 378,463.31