Finding the Third Proportional to 581,662.50 and 1,230,390

Step by Step Solution

1. Step 1: Write the proportion equation
   581,662.50 : 1,230,390 = 1,230,390 : x
2. Step 2: Convert to fraction form
   581,662.50/1,230,390 = 1,230,390/x
3. Step 3: Cross multiply
   581,662.50x = 1,230,390 × 1,230,390
4. Step 4: Simplify right side
   581,662.50x = 1,513,859,552,100
5. Step 5: Solve for x
   x = 1,513,859,552,100/581,662.50
6. Step 6: Final answer
   x = 2,602,642.52