Finding the Third Proportional to 433,116 and 666,580.50

Step by Step Solution

1. Step 1: Write the proportion equation
   433,116 : 666,580.50 = 666,580.50 : x
2. Step 2: Convert to fraction form
   433,116/666,580.50 = 666,580.50/x
3. Step 3: Cross multiply
   433,116x = 666,580.50 × 666,580.50
4. Step 4: Simplify right side
   433,116x = 444,329,562,980.25
5. Step 5: Solve for x
   x = 444,329,562,980.25/433,116
6. Step 6: Final answer
   x = 1,025,890.44