Finding the Third Proportional to 1,578,888 and 3,472,704

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,888 : 3,472,704 = 3,472,704 : x
2. Step 2: Convert to fraction form
   1,578,888/3,472,704 = 3,472,704/x
3. Step 3: Cross multiply
   1,578,888x = 3,472,704 × 3,472,704
4. Step 4: Simplify right side
   1,578,888x = 12,059,673,071,616
5. Step 5: Solve for x
   x = 12,059,673,071,616/1,578,888
6. Step 6: Final answer
   x = 7,638,080.14