Finding the Third Proportional to 10,189,372 and 13,845,444

Step by Step Solution

1. Step 1: Write the proportion equation
   10,189,372 : 13,845,444 = 13,845,444 : x
2. Step 2: Convert to fraction form
   10,189,372/13,845,444 = 13,845,444/x
3. Step 3: Cross multiply
   10,189,372x = 13,845,444 × 13,845,444
4. Step 4: Simplify right side
   10,189,372x = 191,696,319,557,136
5. Step 5: Solve for x
   x = 191,696,319,557,136/10,189,372
6. Step 6: Final answer
   x = 18,813,359.60