Finding the Third Proportional to 11,316,942 and 17,949,366

Step by Step Solution

1. Step 1: Write the proportion equation
   11,316,942 : 17,949,366 = 17,949,366 : x
2. Step 2: Convert to fraction form
   11,316,942/17,949,366 = 17,949,366/x
3. Step 3: Cross multiply
   11,316,942x = 17,949,366 × 17,949,366
4. Step 4: Simplify right side
   11,316,942x = 322,179,739,801,956
5. Step 5: Solve for x
   x = 322,179,739,801,956/11,316,942
6. Step 6: Final answer
   x = 28,468,798.36