Finding the Third Proportional to 1,577,590 and 3,407,406

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,590 : 3,407,406 = 3,407,406 : x
2. Step 2: Convert to fraction form
   1,577,590/3,407,406 = 3,407,406/x
3. Step 3: Cross multiply
   1,577,590x = 3,407,406 × 3,407,406
4. Step 4: Simplify right side
   1,577,590x = 11,610,415,648,836
5. Step 5: Solve for x
   x = 11,610,415,648,836/1,577,590
6. Step 6: Final answer
   x = 7,359,590.04