Finding the Third Proportional to 42,036,774 and 90,556,140

Step by Step Solution

1. Step 1: Write the proportion equation
   42,036,774 : 90,556,140 = 90,556,140 : x
2. Step 2: Convert to fraction form
   42,036,774/90,556,140 = 90,556,140/x
3. Step 3: Cross multiply
   42,036,774x = 90,556,140 × 90,556,140
4. Step 4: Simplify right side
   42,036,774x = 8,200,414,491,699,600
5. Step 5: Solve for x
   x = 8,200,414,491,699,600/42,036,774
6. Step 6: Final answer
   x = 195,077,160.10