Finding the Third Proportional to 127,818,864 and 279,552,648

Step by Step Solution

1. Step 1: Write the proportion equation
   127,818,864 : 279,552,648 = 279,552,648 : x
2. Step 2: Convert to fraction form
   127,818,864/279,552,648 = 279,552,648/x
3. Step 3: Cross multiply
   127,818,864x = 279,552,648 × 279,552,648
4. Step 4: Simplify right side
   127,818,864x = 78,149,683,003,811,904
5. Step 5: Solve for x
   x = 78,149,683,003,811,904/127,818,864
6. Step 6: Final answer
   x = 611,409,619.51