Finding the Third Proportional to 9,789,156 and 20,995,488

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789,156 : 20,995,488 = 20,995,488 : x
2. Step 2: Convert to fraction form
   9,789,156/20,995,488 = 20,995,488/x
3. Step 3: Cross multiply
   9,789,156x = 20,995,488 × 20,995,488
4. Step 4: Simplify right side
   9,789,156x = 440,810,516,358,144
5. Step 5: Solve for x
   x = 440,810,516,358,144/9,789,156
6. Step 6: Final answer
   x = 45,030,492.55