Finding the Third Proportional to 42,036,778 and 90,556,148

Step by Step Solution

1. Step 1: Write the proportion equation
   42,036,778 : 90,556,148 = 90,556,148 : x
2. Step 2: Convert to fraction form
   42,036,778/90,556,148 = 90,556,148/x
3. Step 3: Cross multiply
   42,036,778x = 90,556,148 × 90,556,148
4. Step 4: Simplify right side
   42,036,778x = 8,200,415,940,597,904
5. Step 5: Solve for x
   x = 8,200,415,940,597,904/42,036,778
6. Step 6: Final answer
   x = 195,077,176.01