Finding the Third Proportional to 21,213 and 46,663.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,213 : 46,663.31 = 46,663.31 : x
2. Step 2: Convert to fraction form
   21,213/46,663.31 = 46,663.31/x
3. Step 3: Cross multiply
   21,213x = 46,663.31 × 46,663.31
4. Step 4: Simplify right side
   21,213x = 2,177,464,733.47
5. Step 5: Solve for x
   x = 2,177,464,733.47/21,213
6. Step 6: Final answer
   x = 102,647.66