Finding the Third Proportional to 11,854,731 and 17,875,516.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,854,731 : 17,875,516.50 = 17,875,516.50 : x
2. Step 2: Convert to fraction form
   11,854,731/17,875,516.50 = 17,875,516.50/x
3. Step 3: Cross multiply
   11,854,731x = 17,875,516.50 × 17,875,516.50
4. Step 4: Simplify right side
   11,854,731x = 319,534,090,141,772.25
5. Step 5: Solve for x
   x = 319,534,090,141,772.25/11,854,731
6. Step 6: Final answer
   x = 26,954,140.94