Finding the Third Proportional to 13,109,151.38 and 19,845,916.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,109,151.38 : 19,845,916.31 = 19,845,916.31 : x
2. Step 2: Convert to fraction form
   13,109,151.38/19,845,916.31 = 19,845,916.31/x
3. Step 3: Cross multiply
   13,109,151.38x = 19,845,916.31 × 19,845,916.31
4. Step 4: Simplify right side
   13,109,151.38x = 393,860,394,282,753.62
5. Step 5: Solve for x
   x = 393,860,394,282,753.62/13,109,151.38
6. Step 6: Final answer
   x = 30,044,690.39