Finding the Third Proportional to 260,742 and 545,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,742 : 545,662.50 = 545,662.50 : x
2. Step 2: Convert to fraction form
   260,742/545,662.50 = 545,662.50/x
3. Step 3: Cross multiply
   260,742x = 545,662.50 × 545,662.50
4. Step 4: Simplify right side
   260,742x = 297,747,563,906.25
5. Step 5: Solve for x
   x = 297,747,563,906.25/260,742
6. Step 6: Final answer
   x = 1,141,924.06