Finding the Third Proportional to 7,985,788 and 12,411,834

Step by Step Solution

1. Step 1: Write the proportion equation
   7,985,788 : 12,411,834 = 12,411,834 : x
2. Step 2: Convert to fraction form
   7,985,788/12,411,834 = 12,411,834/x
3. Step 3: Cross multiply
   7,985,788x = 12,411,834 × 12,411,834
4. Step 4: Simplify right side
   7,985,788x = 154,053,623,243,556
5. Step 5: Solve for x
   x = 154,053,623,243,556/7,985,788
6. Step 6: Final answer
   x = 19,290,973.32