Finding the Third Proportional to 7,943,160 and 12,274,200

Step by Step Solution

1. Step 1: Write the proportion equation
   7,943,160 : 12,274,200 = 12,274,200 : x
2. Step 2: Convert to fraction form
   7,943,160/12,274,200 = 12,274,200/x
3. Step 3: Cross multiply
   7,943,160x = 12,274,200 × 12,274,200
4. Step 4: Simplify right side
   7,943,160x = 150,655,985,640,000
5. Step 5: Solve for x
   x = 150,655,985,640,000/7,943,160
6. Step 6: Final answer
   x = 18,966,757.01