Finding the Third Proportional to 21,385,488 and 43,904,682

Step by Step Solution

1. Step 1: Write the proportion equation
   21,385,488 : 43,904,682 = 43,904,682 : x
2. Step 2: Convert to fraction form
   21,385,488/43,904,682 = 43,904,682/x
3. Step 3: Cross multiply
   21,385,488x = 43,904,682 × 43,904,682
4. Step 4: Simplify right side
   21,385,488x = 1,927,621,101,521,124
5. Step 5: Solve for x
   x = 1,927,621,101,521,124/21,385,488
6. Step 6: Final answer
   x = 90,136,877.00