Finding the Third Proportional to 1,718,890.50 and 3,642,683.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,718,890.50 : 3,642,683.50 = 3,642,683.50 : x
2. Step 2: Convert to fraction form
   1,718,890.50/3,642,683.50 = 3,642,683.50/x
3. Step 3: Cross multiply
   1,718,890.50x = 3,642,683.50 × 3,642,683.50
4. Step 4: Simplify right side
   1,718,890.50x = 13,269,143,081,172.25
5. Step 5: Solve for x
   x = 13,269,143,081,172.25/1,718,890.50
6. Step 6: Final answer
   x = 7,719,597.66