Finding the Third Proportional to 252,396 and 589,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   252,396 : 589,801.50 = 589,801.50 : x
2. Step 2: Convert to fraction form
   252,396/589,801.50 = 589,801.50/x
3. Step 3: Cross multiply
   252,396x = 589,801.50 × 589,801.50
4. Step 4: Simplify right side
   252,396x = 347,865,809,402.25
5. Step 5: Solve for x
   x = 347,865,809,402.25/252,396
6. Step 6: Final answer
   x = 1,378,254.05