Finding the Third Proportional to 251,641.69 and 529,254

Step by Step Solution

1. Step 1: Write the proportion equation
   251,641.69 : 529,254 = 529,254 : x
2. Step 2: Convert to fraction form
   251,641.69/529,254 = 529,254/x
3. Step 3: Cross multiply
   251,641.69x = 529,254 × 529,254
4. Step 4: Simplify right side
   251,641.69x = 280,109,796,516
5. Step 5: Solve for x
   x = 280,109,796,516/251,641.69
6. Step 6: Final answer
   x = 1,113,129.54