Finding the Third Proportional to 340,761.94 and 529,109.72

Step by Step Solution

1. Step 1: Write the proportion equation
   340,761.94 : 529,109.72 = 529,109.72 : x
2. Step 2: Convert to fraction form
   340,761.94/529,109.72 = 529,109.72/x
3. Step 3: Cross multiply
   340,761.94x = 529,109.72 × 529,109.72
4. Step 4: Simplify right side
   340,761.94x = 279,957,094,475.70
5. Step 5: Solve for x
   x = 279,957,094,475.70/340,761.94
6. Step 6: Final answer
   x = 821,562.10