Finding the Third Proportional to 374,076.50 and 580,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   374,076.50 : 580,412.50 = 580,412.50 : x
2. Step 2: Convert to fraction form
   374,076.50/580,412.50 = 580,412.50/x
3. Step 3: Cross multiply
   374,076.50x = 580,412.50 × 580,412.50
4. Step 4: Simplify right side
   374,076.50x = 336,878,670,156.25
5. Step 5: Solve for x
   x = 336,878,670,156.25/374,076.50
6. Step 6: Final answer
   x = 900,560.90