Finding the Third Proportional to 11,137,322 and 17,721,844

Step by Step Solution

1. Step 1: Write the proportion equation
   11,137,322 : 17,721,844 = 17,721,844 : x
2. Step 2: Convert to fraction form
   11,137,322/17,721,844 = 17,721,844/x
3. Step 3: Cross multiply
   11,137,322x = 17,721,844 × 17,721,844
4. Step 4: Simplify right side
   11,137,322x = 314,063,754,760,336
5. Step 5: Solve for x
   x = 314,063,754,760,336/11,137,322
6. Step 6: Final answer
   x = 28,199,216.54