Finding the Third Proportional to 1,666,276 and 3,450,704

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666,276 : 3,450,704 = 3,450,704 : x
2. Step 2: Convert to fraction form
   1,666,276/3,450,704 = 3,450,704/x
3. Step 3: Cross multiply
   1,666,276x = 3,450,704 × 3,450,704
4. Step 4: Simplify right side
   1,666,276x = 11,907,358,095,616
5. Step 5: Solve for x
   x = 11,907,358,095,616/1,666,276
6. Step 6: Final answer
   x = 7,146,089.90