Finding the Third Proportional to 288,063 and 436,073.63

Step by Step Solution

1. Step 1: Write the proportion equation
   288,063 : 436,073.63 = 436,073.63 : x
2. Step 2: Convert to fraction form
   288,063/436,073.63 = 436,073.63/x
3. Step 3: Cross multiply
   288,063x = 436,073.63 × 436,073.63
4. Step 4: Simplify right side
   288,063x = 190,160,206,420.64
5. Step 5: Solve for x
   x = 190,160,206,420.64/288,063
6. Step 6: Final answer
   x = 660,134.09