Finding the Third Proportional to 31,461,970,358 and 67,411,556,716

Step by Step Solution

1. Step 1: Write the proportion equation
   31,461,970,358 : 67,411,556,716 = 67,411,556,716 : x
2. Step 2: Convert to fraction form
   31,461,970,358/67,411,556,716 = 67,411,556,716/x
3. Step 3: Cross multiply
   31,461,970,358x = 67,411,556,716 × 67,411,556,716
4. Step 4: Simplify right side
   31,461,970,358x = 4,544,317,978,874,484,883,456
5. Step 5: Solve for x
   x = 4,544,317,978,874,484,883,456/31,461,970,358
6. Step 6: Final answer
   x = 144,438,441,940.08