Finding the Third Proportional to 21,287,546.72 and 46,605,185.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,287,546.72 : 46,605,185.16 = 46,605,185.16 : x
2. Step 2: Convert to fraction form
   21,287,546.72/46,605,185.16 = 46,605,185.16/x
3. Step 3: Cross multiply
   21,287,546.72x = 46,605,185.16 × 46,605,185.16
4. Step 4: Simplify right side
   21,287,546.72x = 2,172,043,283,448,345.25
5. Step 5: Solve for x
   x = 2,172,043,283,448,345.25/21,287,546.72
6. Step 6: Final answer
   x = 102,033,518.10