Finding the Third Proportional to 42,036,770 and 90,556,132

Step by Step Solution

1. Step 1: Write the proportion equation
   42,036,770 : 90,556,132 = 90,556,132 : x
2. Step 2: Convert to fraction form
   42,036,770/90,556,132 = 90,556,132/x
3. Step 3: Cross multiply
   42,036,770x = 90,556,132 × 90,556,132
4. Step 4: Simplify right side
   42,036,770x = 8,200,413,042,801,424
5. Step 5: Solve for x
   x = 8,200,413,042,801,424/42,036,770
6. Step 6: Final answer
   x = 195,077,144.20