Finding the Third Proportional to 7,953,156 and 12,613,719

Step by Step Solution

1. Step 1: Write the proportion equation
   7,953,156 : 12,613,719 = 12,613,719 : x
2. Step 2: Convert to fraction form
   7,953,156/12,613,719 = 12,613,719/x
3. Step 3: Cross multiply
   7,953,156x = 12,613,719 × 12,613,719
4. Step 4: Simplify right side
   7,953,156x = 159,105,907,010,961
5. Step 5: Solve for x
   x = 159,105,907,010,961/7,953,156
6. Step 6: Final answer
   x = 20,005,379.88