Finding the Third Proportional to 529,363.69 and 820,843.88

Step by Step Solution

1. Step 1: Write the proportion equation
   529,363.69 : 820,843.88 = 820,843.88 : x
2. Step 2: Convert to fraction form
   529,363.69/820,843.88 = 820,843.88/x
3. Step 3: Cross multiply
   529,363.69x = 820,843.88 × 820,843.88
4. Step 4: Simplify right side
   529,363.69x = 673,784,667,125.02
5. Step 5: Solve for x
   x = 673,784,667,125.02/529,363.69
6. Step 6: Final answer
   x = 1,272,819.96