Finding the Third Proportional to 11,904,453 and 17,810,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,904,453 : 17,810,386.50 = 17,810,386.50 : x
2. Step 2: Convert to fraction form
   11,904,453/17,810,386.50 = 17,810,386.50/x
3. Step 3: Cross multiply
   11,904,453x = 17,810,386.50 × 17,810,386.50
4. Step 4: Simplify right side
   11,904,453x = 317,209,867,279,382.25
5. Step 5: Solve for x
   x = 317,209,867,279,382.25/11,904,453
6. Step 6: Final answer
   x = 26,646,320.27