Finding the Third Proportional to 281,977.50 and 436,902

Step by Step Solution

1. Step 1: Write the proportion equation
   281,977.50 : 436,902 = 436,902 : x
2. Step 2: Convert to fraction form
   281,977.50/436,902 = 436,902/x
3. Step 3: Cross multiply
   281,977.50x = 436,902 × 436,902
4. Step 4: Simplify right side
   281,977.50x = 190,883,357,604
5. Step 5: Solve for x
   x = 190,883,357,604/281,977.50
6. Step 6: Final answer
   x = 676,945.35