Finding the Third Proportional to 1,639,192 and 3,359,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,639,192 : 3,359,312 = 3,359,312 : x
2. Step 2: Convert to fraction form
   1,639,192/3,359,312 = 3,359,312/x
3. Step 3: Cross multiply
   1,639,192x = 3,359,312 × 3,359,312
4. Step 4: Simplify right side
   1,639,192x = 11,284,977,113,344
5. Step 5: Solve for x
   x = 11,284,977,113,344/1,639,192
6. Step 6: Final answer
   x = 6,884,475.47