Finding the Third Proportional to 12,151,740 and 28,685,334

Step by Step Solution

1. Step 1: Write the proportion equation
   12,151,740 : 28,685,334 = 28,685,334 : x
2. Step 2: Convert to fraction form
   12,151,740/28,685,334 = 28,685,334/x
3. Step 3: Cross multiply
   12,151,740x = 28,685,334 × 28,685,334
4. Step 4: Simplify right side
   12,151,740x = 822,848,386,691,556
5. Step 5: Solve for x
   x = 822,848,386,691,556/12,151,740
6. Step 6: Final answer
   x = 67,714,449.67