Finding the Third Proportional to 9,969,264 and 21,688,200

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969,264 : 21,688,200 = 21,688,200 : x
2. Step 2: Convert to fraction form
   9,969,264/21,688,200 = 21,688,200/x
3. Step 3: Cross multiply
   9,969,264x = 21,688,200 × 21,688,200
4. Step 4: Simplify right side
   9,969,264x = 470,378,019,240,000
5. Step 5: Solve for x
   x = 470,378,019,240,000/9,969,264
6. Step 6: Final answer
   x = 47,182,823.05