Finding the Third Proportional to 1,619,308 and 3,553,536

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,308 : 3,553,536 = 3,553,536 : x
2. Step 2: Convert to fraction form
   1,619,308/3,553,536 = 3,553,536/x
3. Step 3: Cross multiply
   1,619,308x = 3,553,536 × 3,553,536
4. Step 4: Simplify right side
   1,619,308x = 12,627,618,103,296
5. Step 5: Solve for x
   x = 12,627,618,103,296/1,619,308
6. Step 6: Final answer
   x = 7,798,157.05