Finding the Third Proportional to 5,643,264 and 12,346,656

Step by Step Solution

1. Step 1: Write the proportion equation
   5,643,264 : 12,346,656 = 12,346,656 : x
2. Step 2: Convert to fraction form
   5,643,264/12,346,656 = 12,346,656/x
3. Step 3: Cross multiply
   5,643,264x = 12,346,656 × 12,346,656
4. Step 4: Simplify right side
   5,643,264x = 152,439,914,382,336
5. Step 5: Solve for x
   x = 152,439,914,382,336/5,643,264
6. Step 6: Final answer
   x = 27,012,720.72