Finding the Third Proportional to 83,055,966 and 178,891,680

Step by Step Solution

1. Step 1: Write the proportion equation
   83,055,966 : 178,891,680 = 178,891,680 : x
2. Step 2: Convert to fraction form
   83,055,966/178,891,680 = 178,891,680/x
3. Step 3: Cross multiply
   83,055,966x = 178,891,680 × 178,891,680
4. Step 4: Simplify right side
   83,055,966x = 32,002,233,173,222,400
5. Step 5: Solve for x
   x = 32,002,233,173,222,400/83,055,966
6. Step 6: Final answer
   x = 385,309,264.52