Finding the Third Proportional to 581,665.50 and 1,230,396

Step by Step Solution

1. Step 1: Write the proportion equation
   581,665.50 : 1,230,396 = 1,230,396 : x
2. Step 2: Convert to fraction form
   581,665.50/1,230,396 = 1,230,396/x
3. Step 3: Cross multiply
   581,665.50x = 1,230,396 × 1,230,396
4. Step 4: Simplify right side
   581,665.50x = 1,513,874,316,816
5. Step 5: Solve for x
   x = 1,513,874,316,816/581,665.50
6. Step 6: Final answer
   x = 2,602,654.48