Finding the Third Proportional to 1,314,138 and 1,921,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314,138 : 1,921,315.50 = 1,921,315.50 : x
2. Step 2: Convert to fraction form
   1,314,138/1,921,315.50 = 1,921,315.50/x
3. Step 3: Cross multiply
   1,314,138x = 1,921,315.50 × 1,921,315.50
4. Step 4: Simplify right side
   1,314,138x = 3,691,453,250,540.25
5. Step 5: Solve for x
   x = 3,691,453,250,540.25/1,314,138
6. Step 6: Final answer
   x = 2,809,030.14