Finding the Third Proportional to 80,759,351 and 177,667,510

Step by Step Solution

1. Step 1: Write the proportion equation
   80,759,351 : 177,667,510 = 177,667,510 : x
2. Step 2: Convert to fraction form
   80,759,351/177,667,510 = 177,667,510/x
3. Step 3: Cross multiply
   80,759,351x = 177,667,510 × 177,667,510
4. Step 4: Simplify right side
   80,759,351x = 31,565,744,109,600,100
5. Step 5: Solve for x
   x = 31,565,744,109,600,100/80,759,351
6. Step 6: Final answer
   x = 390,861,785.28