Finding the Third Proportional to 10,072,997 and 21,583,264

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072,997 : 21,583,264 = 21,583,264 : x
2. Step 2: Convert to fraction form
   10,072,997/21,583,264 = 21,583,264/x
3. Step 3: Cross multiply
   10,072,997x = 21,583,264 × 21,583,264
4. Step 4: Simplify right side
   10,072,997x = 465,837,284,893,696
5. Step 5: Solve for x
   x = 465,837,284,893,696/10,072,997
6. Step 6: Final answer
   x = 46,246,145.50