Finding the Third Proportional to 31,527,612 and 67,917,168

Step by Step Solution

1. Step 1: Write the proportion equation
   31,527,612 : 67,917,168 = 67,917,168 : x
2. Step 2: Convert to fraction form
   31,527,612/67,917,168 = 67,917,168/x
3. Step 3: Cross multiply
   31,527,612x = 67,917,168 × 67,917,168
4. Step 4: Simplify right side
   31,527,612x = 4,612,741,709,140,224
5. Step 5: Solve for x
   x = 4,612,741,709,140,224/31,527,612
6. Step 6: Final answer
   x = 146,307,995.33