Finding the Third Proportional to 13,109,161.50 and 19,845,900

Step by Step Solution

1. Step 1: Write the proportion equation
   13,109,161.50 : 19,845,900 = 19,845,900 : x
2. Step 2: Convert to fraction form
   13,109,161.50/19,845,900 = 19,845,900/x
3. Step 3: Cross multiply
   13,109,161.50x = 19,845,900 × 19,845,900
4. Step 4: Simplify right side
   13,109,161.50x = 393,859,746,810,000
5. Step 5: Solve for x
   x = 393,859,746,810,000/13,109,161.50
6. Step 6: Final answer
   x = 30,044,617.79