Finding the Third Proportional to 7,224,820 and 9,907,200

Step by Step Solution

1. Step 1: Write the proportion equation
   7,224,820 : 9,907,200 = 9,907,200 : x
2. Step 2: Convert to fraction form
   7,224,820/9,907,200 = 9,907,200/x
3. Step 3: Cross multiply
   7,224,820x = 9,907,200 × 9,907,200
4. Step 4: Simplify right side
   7,224,820x = 98,152,611,840,000
5. Step 5: Solve for x
   x = 98,152,611,840,000/7,224,820
6. Step 6: Final answer
   x = 13,585,475.05