Finding the Third Proportional to 78,078,096 and 169,596,900

Step by Step Solution

1. Step 1: Write the proportion equation
   78,078,096 : 169,596,900 = 169,596,900 : x
2. Step 2: Convert to fraction form
   78,078,096/169,596,900 = 169,596,900/x
3. Step 3: Cross multiply
   78,078,096x = 169,596,900 × 169,596,900
4. Step 4: Simplify right side
   78,078,096x = 28,763,108,489,610,000
5. Step 5: Solve for x
   x = 28,763,108,489,610,000/78,078,096
6. Step 6: Final answer
   x = 368,388,958.79