Finding the Third Proportional to 31,461,970,356 and 67,411,556,712

Step by Step Solution

1. Step 1: Write the proportion equation
   31,461,970,356 : 67,411,556,712 = 67,411,556,712 : x
2. Step 2: Convert to fraction form
   31,461,970,356/67,411,556,712 = 67,411,556,712/x
3. Step 3: Cross multiply
   31,461,970,356x = 67,411,556,712 × 67,411,556,712
4. Step 4: Simplify right side
   31,461,970,356x = 4,544,317,978,335,192,285,184
5. Step 5: Solve for x
   x = 4,544,317,978,335,192,285,184/31,461,970,356
6. Step 6: Final answer
   x = 144,438,441,932.12