Finding the Third Proportional to 77,016,436 and 169,147,208

Step by Step Solution

1. Step 1: Write the proportion equation
   77,016,436 : 169,147,208 = 169,147,208 : x
2. Step 2: Convert to fraction form
   77,016,436/169,147,208 = 169,147,208/x
3. Step 3: Cross multiply
   77,016,436x = 169,147,208 × 169,147,208
4. Step 4: Simplify right side
   77,016,436x = 28,610,777,974,195,264
5. Step 5: Solve for x
   x = 28,610,777,974,195,264/77,016,436
6. Step 6: Final answer
   x = 371,489,249.05