Finding the Third Proportional to 8,721,924 and 12,997,801

Step by Step Solution

1. Step 1: Write the proportion equation
   8,721,924 : 12,997,801 = 12,997,801 : x
2. Step 2: Convert to fraction form
   8,721,924/12,997,801 = 12,997,801/x
3. Step 3: Cross multiply
   8,721,924x = 12,997,801 × 12,997,801
4. Step 4: Simplify right side
   8,721,924x = 168,942,830,835,601
5. Step 5: Solve for x
   x = 168,942,830,835,601/8,721,924
6. Step 6: Final answer
   x = 19,369,904.03