Finding the Third Proportional to 580,468.50 and 1,365,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   580,468.50 : 1,365,808.50 = 1,365,808.50 : x
2. Step 2: Convert to fraction form
   580,468.50/1,365,808.50 = 1,365,808.50/x
3. Step 3: Cross multiply
   580,468.50x = 1,365,808.50 × 1,365,808.50
4. Step 4: Simplify right side
   580,468.50x = 1,865,432,858,672.25
5. Step 5: Solve for x
   x = 1,865,432,858,672.25/580,468.50
6. Step 6: Final answer
   x = 3,213,667.68