Finding the Third Proportional to 88,819 and 190,300

Step by Step Solution

1. Step 1: Write the proportion equation
   88,819 : 190,300 = 190,300 : x
2. Step 2: Convert to fraction form
   88,819/190,300 = 190,300/x
3. Step 3: Cross multiply
   88,819x = 190,300 × 190,300
4. Step 4: Simplify right side
   88,819x = 36,214,090,000
5. Step 5: Solve for x
   x = 36,214,090,000/88,819
6. Step 6: Final answer
   x = 407,729.09