Finding the Third Proportional to 196,978,716 and 302,144,292

Step by Step Solution

1. Step 1: Write the proportion equation
   196,978,716 : 302,144,292 = 302,144,292 : x
2. Step 2: Convert to fraction form
   196,978,716/302,144,292 = 302,144,292/x
3. Step 3: Cross multiply
   196,978,716x = 302,144,292 × 302,144,292
4. Step 4: Simplify right side
   196,978,716x = 91,291,173,188,181,264
5. Step 5: Solve for x
   x = 91,291,173,188,181,264/196,978,716
6. Step 6: Final answer
   x = 463,457,042.68