Finding the Third Proportional to 13,109,328 and 19,846,209

Step by Step Solution

1. Step 1: Write the proportion equation
   13,109,328 : 19,846,209 = 19,846,209 : x
2. Step 2: Convert to fraction form
   13,109,328/19,846,209 = 19,846,209/x
3. Step 3: Cross multiply
   13,109,328x = 19,846,209 × 19,846,209
4. Step 4: Simplify right side
   13,109,328x = 393,872,011,671,681
5. Step 5: Solve for x
   x = 393,872,011,671,681/13,109,328
6. Step 6: Final answer
   x = 30,045,171.78