Finding the Third Proportional to 20,042,084 and 42,918,522

Step by Step Solution

1. Step 1: Write the proportion equation
   20,042,084 : 42,918,522 = 42,918,522 : x
2. Step 2: Convert to fraction form
   20,042,084/42,918,522 = 42,918,522/x
3. Step 3: Cross multiply
   20,042,084x = 42,918,522 × 42,918,522
4. Step 4: Simplify right side
   20,042,084x = 1,841,999,530,664,484
5. Step 5: Solve for x
   x = 1,841,999,530,664,484/20,042,084
6. Step 6: Final answer
   x = 91,906,586.69