Finding the Third Proportional to 342,670.50 and 789,770.25

Step by Step Solution

1. Step 1: Write the proportion equation
   342,670.50 : 789,770.25 = 789,770.25 : x
2. Step 2: Convert to fraction form
   342,670.50/789,770.25 = 789,770.25/x
3. Step 3: Cross multiply
   342,670.50x = 789,770.25 × 789,770.25
4. Step 4: Simplify right side
   342,670.50x = 623,737,047,785.06
5. Step 5: Solve for x
   x = 623,737,047,785.06/342,670.50
6. Step 6: Final answer
   x = 1,820,223.94