Finding the Third Proportional to 89,015,778 and 187,596,036

Step by Step Solution

1. Step 1: Write the proportion equation
   89,015,778 : 187,596,036 = 187,596,036 : x
2. Step 2: Convert to fraction form
   89,015,778/187,596,036 = 187,596,036/x
3. Step 3: Cross multiply
   89,015,778x = 187,596,036 × 187,596,036
4. Step 4: Simplify right side
   89,015,778x = 35,192,272,722,913,296
5. Step 5: Solve for x
   x = 35,192,272,722,913,296/89,015,778
6. Step 6: Final answer
   x = 395,348,706.87