Finding the Third Proportional to 137,170.50 and 200,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   137,170.50 : 200,404.50 = 200,404.50 : x
2. Step 2: Convert to fraction form
   137,170.50/200,404.50 = 200,404.50/x
3. Step 3: Cross multiply
   137,170.50x = 200,404.50 × 200,404.50
4. Step 4: Simplify right side
   137,170.50x = 40,161,963,620.25
5. Step 5: Solve for x
   x = 40,161,963,620.25/137,170.50
6. Step 6: Final answer
   x = 292,788.64