Finding the Third Proportional to 1,340,562 and 2,921,972

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340,562 : 2,921,972 = 2,921,972 : x
2. Step 2: Convert to fraction form
   1,340,562/2,921,972 = 2,921,972/x
3. Step 3: Cross multiply
   1,340,562x = 2,921,972 × 2,921,972
4. Step 4: Simplify right side
   1,340,562x = 8,537,920,368,784
5. Step 5: Solve for x
   x = 8,537,920,368,784/1,340,562
6. Step 6: Final answer
   x = 6,368,911.22