Finding the Third Proportional to 858,784.50 and 1,166,318

Step by Step Solution

1. Step 1: Write the proportion equation
   858,784.50 : 1,166,318 = 1,166,318 : x
2. Step 2: Convert to fraction form
   858,784.50/1,166,318 = 1,166,318/x
3. Step 3: Cross multiply
   858,784.50x = 1,166,318 × 1,166,318
4. Step 4: Simplify right side
   858,784.50x = 1,360,297,677,124
5. Step 5: Solve for x
   x = 1,360,297,677,124/858,784.50
6. Step 6: Final answer
   x = 1,583,980.24