Finding the Third Proportional to 2,515,173 and 5,455,683.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515,173 : 5,455,683.50 = 5,455,683.50 : x
2. Step 2: Convert to fraction form
   2,515,173/5,455,683.50 = 5,455,683.50/x
3. Step 3: Cross multiply
   2,515,173x = 5,455,683.50 × 5,455,683.50
4. Step 4: Simplify right side
   2,515,173x = 29,764,482,452,172.25
5. Step 5: Solve for x
   x = 29,764,482,452,172.25/2,515,173
6. Step 6: Final answer
   x = 11,833,970.25