Finding the Third Proportional to 9,918,980 and 15,320,414

Step by Step Solution

1. Step 1: Write the proportion equation
   9,918,980 : 15,320,414 = 15,320,414 : x
2. Step 2: Convert to fraction form
   9,918,980/15,320,414 = 15,320,414/x
3. Step 3: Cross multiply
   9,918,980x = 15,320,414 × 15,320,414
4. Step 4: Simplify right side
   9,918,980x = 234,715,085,131,396
5. Step 5: Solve for x
   x = 234,715,085,131,396/9,918,980
6. Step 6: Final answer
   x = 23,663,227.99