Finding the Third Proportional to 9,331,436 and 13,343,969

Step by Step Solution

1. Step 1: Write the proportion equation
   9,331,436 : 13,343,969 = 13,343,969 : x
2. Step 2: Convert to fraction form
   9,331,436/13,343,969 = 13,343,969/x
3. Step 3: Cross multiply
   9,331,436x = 13,343,969 × 13,343,969
4. Step 4: Simplify right side
   9,331,436x = 178,061,508,672,961
5. Step 5: Solve for x
   x = 178,061,508,672,961/9,331,436
6. Step 6: Final answer
   x = 19,081,897.86