Finding the Third Proportional to 1,578,528 and 3,409,308

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,528 : 3,409,308 = 3,409,308 : x
2. Step 2: Convert to fraction form
   1,578,528/3,409,308 = 3,409,308/x
3. Step 3: Cross multiply
   1,578,528x = 3,409,308 × 3,409,308
4. Step 4: Simplify right side
   1,578,528x = 11,623,381,038,864
5. Step 5: Solve for x
   x = 11,623,381,038,864/1,578,528
6. Step 6: Final answer
   x = 7,363,430.39