Finding the Third Proportional to 11,666,739 and 18,260,002.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,666,739 : 18,260,002.50 = 18,260,002.50 : x
2. Step 2: Convert to fraction form
   11,666,739/18,260,002.50 = 18,260,002.50/x
3. Step 3: Cross multiply
   11,666,739x = 18,260,002.50 × 18,260,002.50
4. Step 4: Simplify right side
   11,666,739x = 333,427,691,300,006.25
5. Step 5: Solve for x
   x = 333,427,691,300,006.25/11,666,739
6. Step 6: Final answer
   x = 28,579,339.21