Finding the Third Proportional to 13,309,227 and 19,875,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,309,227 : 19,875,136.50 = 19,875,136.50 : x
2. Step 2: Convert to fraction form
   13,309,227/19,875,136.50 = 19,875,136.50/x
3. Step 3: Cross multiply
   13,309,227x = 19,875,136.50 × 19,875,136.50
4. Step 4: Simplify right side
   13,309,227x = 395,021,050,893,632.25
5. Step 5: Solve for x
   x = 395,021,050,893,632.25/13,309,227
6. Step 6: Final answer
   x = 29,680,239.95