Finding the Third Proportional to 529,686 and 1,157,722.50

Step by Step Solution

1. Step 1: Write the proportion equation
   529,686 : 1,157,722.50 = 1,157,722.50 : x
2. Step 2: Convert to fraction form
   529,686/1,157,722.50 = 1,157,722.50/x
3. Step 3: Cross multiply
   529,686x = 1,157,722.50 × 1,157,722.50
4. Step 4: Simplify right side
   529,686x = 1,340,321,387,006.25
5. Step 5: Solve for x
   x = 1,340,321,387,006.25/529,686
6. Step 6: Final answer
   x = 2,530,407.42