Finding the Third Proportional to 540,969 and 842,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   540,969 : 842,068.50 = 842,068.50 : x
2. Step 2: Convert to fraction form
   540,969/842,068.50 = 842,068.50/x
3. Step 3: Cross multiply
   540,969x = 842,068.50 × 842,068.50
4. Step 4: Simplify right side
   540,969x = 709,079,358,692.25
5. Step 5: Solve for x
   x = 709,079,358,692.25/540,969
6. Step 6: Final answer
   x = 1,310,757.84