Finding the Third Proportional to 1,577,666 and 3,403,516

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,666 : 3,403,516 = 3,403,516 : x
2. Step 2: Convert to fraction form
   1,577,666/3,403,516 = 3,403,516/x
3. Step 3: Cross multiply
   1,577,666x = 3,403,516 × 3,403,516
4. Step 4: Simplify right side
   1,577,666x = 11,583,921,162,256
5. Step 5: Solve for x
   x = 11,583,921,162,256/1,577,666
6. Step 6: Final answer
   x = 7,342,442.04