Finding the Third Proportional to 5,509,945.69 and 12,866,652.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,509,945.69 : 12,866,652.56 = 12,866,652.56 : x
2. Step 2: Convert to fraction form
   5,509,945.69/12,866,652.56 = 12,866,652.56/x
3. Step 3: Cross multiply
   5,509,945.69x = 12,866,652.56 × 12,866,652.56
4. Step 4: Simplify right side
   5,509,945.69x = 165,550,748,164,087.81
5. Step 5: Solve for x
   x = 165,550,748,164,087.81/5,509,945.69
6. Step 6: Final answer
   x = 30,045,804.00