Finding the Third Proportional to 109,156,620 and 238,823,088

Step by Step Solution

1. Step 1: Write the proportion equation
   109,156,620 : 238,823,088 = 238,823,088 : x
2. Step 2: Convert to fraction form
   109,156,620/238,823,088 = 238,823,088/x
3. Step 3: Cross multiply
   109,156,620x = 238,823,088 × 238,823,088
4. Step 4: Simplify right side
   109,156,620x = 57,036,467,361,855,744
5. Step 5: Solve for x
   x = 57,036,467,361,855,744/109,156,620
6. Step 6: Final answer
   x = 522,519,544.50