Finding the Third Proportional to 529,623.56 and 680,022

Step by Step Solution

1. Step 1: Write the proportion equation
   529,623.56 : 680,022 = 680,022 : x
2. Step 2: Convert to fraction form
   529,623.56/680,022 = 680,022/x
3. Step 3: Cross multiply
   529,623.56x = 680,022 × 680,022
4. Step 4: Simplify right side
   529,623.56x = 462,429,920,484
5. Step 5: Solve for x
   x = 462,429,920,484/529,623.56
6. Step 6: Final answer
   x = 873,129.43