Finding the Third Proportional to 1,334,585 and 3,149,129

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334,585 : 3,149,129 = 3,149,129 : x
2. Step 2: Convert to fraction form
   1,334,585/3,149,129 = 3,149,129/x
3. Step 3: Cross multiply
   1,334,585x = 3,149,129 × 3,149,129
4. Step 4: Simplify right side
   1,334,585x = 9,917,013,458,641
5. Step 5: Solve for x
   x = 9,917,013,458,641/1,334,585
6. Step 6: Final answer
   x = 7,430,784.45