Finding the Third Proportional to 12,875,539.50 and 18,045,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,875,539.50 : 18,045,022.50 = 18,045,022.50 : x
2. Step 2: Convert to fraction form
   12,875,539.50/18,045,022.50 = 18,045,022.50/x
3. Step 3: Cross multiply
   12,875,539.50x = 18,045,022.50 × 18,045,022.50
4. Step 4: Simplify right side
   12,875,539.50x = 325,622,837,025,506.25
5. Step 5: Solve for x
   x = 325,622,837,025,506.25/12,875,539.50
6. Step 6: Final answer
   x = 25,290,034.41