Finding the Third Proportional to 1,329,840 and 2,925,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,329,840 : 2,925,360 = 2,925,360 : x
2. Step 2: Convert to fraction form
   1,329,840/2,925,360 = 2,925,360/x
3. Step 3: Cross multiply
   1,329,840x = 2,925,360 × 2,925,360
4. Step 4: Simplify right side
   1,329,840x = 8,557,731,129,600
5. Step 5: Solve for x
   x = 8,557,731,129,600/1,329,840
6. Step 6: Final answer
   x = 6,435,158.46