Finding the Third Proportional to 177,788,886 and 267,156,662

Step by Step Solution

1. Step 1: Write the proportion equation
   177,788,886 : 267,156,662 = 267,156,662 : x
2. Step 2: Convert to fraction form
   177,788,886/267,156,662 = 267,156,662/x
3. Step 3: Cross multiply
   177,788,886x = 267,156,662 × 267,156,662
4. Step 4: Simplify right side
   177,788,886x = 71,372,682,050,982,240
5. Step 5: Solve for x
   x = 71,372,682,050,982,240/177,788,886
6. Step 6: Final answer
   x = 401,446,252.67