Finding the Third Proportional to 17,142,406 and 36,609,680

Step by Step Solution

1. Step 1: Write the proportion equation
   17,142,406 : 36,609,680 = 36,609,680 : x
2. Step 2: Convert to fraction form
   17,142,406/36,609,680 = 36,609,680/x
3. Step 3: Cross multiply
   17,142,406x = 36,609,680 × 36,609,680
4. Step 4: Simplify right side
   17,142,406x = 1,340,268,669,702,400
5. Step 5: Solve for x
   x = 1,340,268,669,702,400/17,142,406
6. Step 6: Final answer
   x = 78,184,396.62