Finding the Third Proportional to 9,069,932 and 19,909,120

Step by Step Solution

1. Step 1: Write the proportion equation
   9,069,932 : 19,909,120 = 19,909,120 : x
2. Step 2: Convert to fraction form
   9,069,932/19,909,120 = 19,909,120/x
3. Step 3: Cross multiply
   9,069,932x = 19,909,120 × 19,909,120
4. Step 4: Simplify right side
   9,069,932x = 396,373,059,174,400
5. Step 5: Solve for x
   x = 396,373,059,174,400/9,069,932
6. Step 6: Final answer
   x = 43,701,877.72