Finding the Third Proportional to 259,432.88 and 563,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   259,432.88 : 563,152.50 = 563,152.50 : x
2. Step 2: Convert to fraction form
   259,432.88/563,152.50 = 563,152.50/x
3. Step 3: Cross multiply
   259,432.88x = 563,152.50 × 563,152.50
4. Step 4: Simplify right side
   259,432.88x = 317,140,738,256.25
5. Step 5: Solve for x
   x = 317,140,738,256.25/259,432.88
6. Step 6: Final answer
   x = 1,222,438.51