Finding the Third Proportional to 9,066,630 and 19,728,300

Step by Step Solution

1. Step 1: Write the proportion equation
   9,066,630 : 19,728,300 = 19,728,300 : x
2. Step 2: Convert to fraction form
   9,066,630/19,728,300 = 19,728,300/x
3. Step 3: Cross multiply
   9,066,630x = 19,728,300 × 19,728,300
4. Step 4: Simplify right side
   9,066,630x = 389,205,820,890,000
5. Step 5: Solve for x
   x = 389,205,820,890,000/9,066,630
6. Step 6: Final answer
   x = 42,927,286.20