Finding the Third Proportional to 218,050,848 and 478,468,892

Step by Step Solution

1. Step 1: Write the proportion equation
   218,050,848 : 478,468,892 = 478,468,892 : x
2. Step 2: Convert to fraction form
   218,050,848/478,468,892 = 478,468,892/x
3. Step 3: Cross multiply
   218,050,848x = 478,468,892 × 478,468,892
4. Step 4: Simplify right side
   218,050,848x = 228,932,480,611,707,648
5. Step 5: Solve for x
   x = 228,932,480,611,707,648/218,050,848
6. Step 6: Final answer
   x = 1,049,904,105.91