Finding the Third Proportional to 31,146,042 and 67,084,479

Step by Step Solution

1. Step 1: Write the proportion equation
   31,146,042 : 67,084,479 = 67,084,479 : x
2. Step 2: Convert to fraction form
   31,146,042/67,084,479 = 67,084,479/x
3. Step 3: Cross multiply
   31,146,042x = 67,084,479 × 67,084,479
4. Step 4: Simplify right side
   31,146,042x = 4,500,327,322,701,441
5. Step 5: Solve for x
   x = 4,500,327,322,701,441/31,146,042
6. Step 6: Final answer
   x = 144,491,146.67