Finding the Third Proportional to 1,686,787.50 and 3,673,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,787.50 : 3,673,072.50 = 3,673,072.50 : x
2. Step 2: Convert to fraction form
   1,686,787.50/3,673,072.50 = 3,673,072.50/x
3. Step 3: Cross multiply
   1,686,787.50x = 3,673,072.50 × 3,673,072.50
4. Step 4: Simplify right side
   1,686,787.50x = 13,491,461,590,256.25
5. Step 5: Solve for x
   x = 13,491,461,590,256.25/1,686,787.50
6. Step 6: Final answer
   x = 7,998,317.27