Finding the Third Proportional to 131,426,764 and 280,444,320

Step by Step Solution

1. Step 1: Write the proportion equation
   131,426,764 : 280,444,320 = 280,444,320 : x
2. Step 2: Convert to fraction form
   131,426,764/280,444,320 = 280,444,320/x
3. Step 3: Cross multiply
   131,426,764x = 280,444,320 × 280,444,320
4. Step 4: Simplify right side
   131,426,764x = 78,649,016,620,262,400
5. Step 5: Solve for x
   x = 78,649,016,620,262,400/131,426,764
6. Step 6: Final answer
   x = 598,424,660.45