Finding the Third Proportional to 2,666,317.50 and 5,909,172.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,317.50 : 5,909,172.75 = 5,909,172.75 : x
2. Step 2: Convert to fraction form
   2,666,317.50/5,909,172.75 = 5,909,172.75/x
3. Step 3: Cross multiply
   2,666,317.50x = 5,909,172.75 × 5,909,172.75
4. Step 4: Simplify right side
   2,666,317.50x = 34,918,322,589,342.56
5. Step 5: Solve for x
   x = 34,918,322,589,342.56/2,666,317.50
6. Step 6: Final answer
   x = 13,096,085.74