Finding the Third Proportional to 6,132,312 and 12,900,240

Step by Step Solution

1. Step 1: Write the proportion equation
   6,132,312 : 12,900,240 = 12,900,240 : x
2. Step 2: Convert to fraction form
   6,132,312/12,900,240 = 12,900,240/x
3. Step 3: Cross multiply
   6,132,312x = 12,900,240 × 12,900,240
4. Step 4: Simplify right side
   6,132,312x = 166,416,192,057,600
5. Step 5: Solve for x
   x = 166,416,192,057,600/6,132,312
6. Step 6: Final answer
   x = 27,137,593.79