Finding the Third Proportional to 12,543,120 and 27,477,684

Step by Step Solution

1. Step 1: Write the proportion equation
   12,543,120 : 27,477,684 = 27,477,684 : x
2. Step 2: Convert to fraction form
   12,543,120/27,477,684 = 27,477,684/x
3. Step 3: Cross multiply
   12,543,120x = 27,477,684 × 27,477,684
4. Step 4: Simplify right side
   12,543,120x = 755,023,118,003,856
5. Step 5: Solve for x
   x = 755,023,118,003,856/12,543,120
6. Step 6: Final answer
   x = 60,194,203.52