Finding the Third Proportional to 9,400,380 and 12,683,340

Step by Step Solution

1. Step 1: Write the proportion equation
   9,400,380 : 12,683,340 = 12,683,340 : x
2. Step 2: Convert to fraction form
   9,400,380/12,683,340 = 12,683,340/x
3. Step 3: Cross multiply
   9,400,380x = 12,683,340 × 12,683,340
4. Step 4: Simplify right side
   9,400,380x = 160,867,113,555,600
5. Step 5: Solve for x
   x = 160,867,113,555,600/9,400,380
6. Step 6: Final answer
   x = 17,112,830.92