Finding the Third Proportional to 109,630,600 and 243,772,872

Step by Step Solution

1. Step 1: Write the proportion equation
   109,630,600 : 243,772,872 = 243,772,872 : x
2. Step 2: Convert to fraction form
   109,630,600/243,772,872 = 243,772,872/x
3. Step 3: Cross multiply
   109,630,600x = 243,772,872 × 243,772,872
4. Step 4: Simplify right side
   109,630,600x = 59,425,213,123,128,384
5. Step 5: Solve for x
   x = 59,425,213,123,128,384/109,630,600
6. Step 6: Final answer
   x = 542,049,511.02