Finding the Third Proportional to 404,537,136 and 887,815,488

Step by Step Solution

1. Step 1: Write the proportion equation
   404,537,136 : 887,815,488 = 887,815,488 : x
2. Step 2: Convert to fraction form
   404,537,136/887,815,488 = 887,815,488/x
3. Step 3: Cross multiply
   404,537,136x = 887,815,488 × 887,815,488
4. Step 4: Simplify right side
   404,537,136x = 788,216,340,732,678,144
5. Step 5: Solve for x
   x = 788,216,340,732,678,144/404,537,136
6. Step 6: Final answer
   x = 1,948,440,008.56