Finding the Third Proportional to 9,138,658 and 20,071,032

Step by Step Solution

1. Step 1: Write the proportion equation
   9,138,658 : 20,071,032 = 20,071,032 : x
2. Step 2: Convert to fraction form
   9,138,658/20,071,032 = 20,071,032/x
3. Step 3: Cross multiply
   9,138,658x = 20,071,032 × 20,071,032
4. Step 4: Simplify right side
   9,138,658x = 402,846,325,545,024
5. Step 5: Solve for x
   x = 402,846,325,545,024/9,138,658
6. Step 6: Final answer
   x = 44,081,562.69