Finding the Third Proportional to 372,420 and 789,527.25

Step by Step Solution

1. Step 1: Write the proportion equation
   372,420 : 789,527.25 = 789,527.25 : x
2. Step 2: Convert to fraction form
   372,420/789,527.25 = 789,527.25/x
3. Step 3: Cross multiply
   372,420x = 789,527.25 × 789,527.25
4. Step 4: Simplify right side
   372,420x = 623,353,278,492.56
5. Step 5: Solve for x
   x = 623,353,278,492.56/372,420
6. Step 6: Final answer
   x = 1,673,791.09