Finding the Third Proportional to 1,078,078.50 and 1,691,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,078.50 : 1,691,172 = 1,691,172 : x
2. Step 2: Convert to fraction form
   1,078,078.50/1,691,172 = 1,691,172/x
3. Step 3: Cross multiply
   1,078,078.50x = 1,691,172 × 1,691,172
4. Step 4: Simplify right side
   1,078,078.50x = 2,860,062,733,584
5. Step 5: Solve for x
   x = 2,860,062,733,584/1,078,078.50
6. Step 6: Final answer
   x = 2,652,926.23