Finding the Third Proportional to 8,737,142 and 13,676,089

Step by Step Solution

1. Step 1: Write the proportion equation
   8,737,142 : 13,676,089 = 13,676,089 : x
2. Step 2: Convert to fraction form
   8,737,142/13,676,089 = 13,676,089/x
3. Step 3: Cross multiply
   8,737,142x = 13,676,089 × 13,676,089
4. Step 4: Simplify right side
   8,737,142x = 187,035,410,335,921
5. Step 5: Solve for x
   x = 187,035,410,335,921/8,737,142
6. Step 6: Final answer
   x = 21,406,932.65