Finding the Third Proportional to 238,575,852 and 521,810,136

Step by Step Solution

1. Step 1: Write the proportion equation
   238,575,852 : 521,810,136 = 521,810,136 : x
2. Step 2: Convert to fraction form
   238,575,852/521,810,136 = 521,810,136/x
3. Step 3: Cross multiply
   238,575,852x = 521,810,136 × 521,810,136
4. Step 4: Simplify right side
   238,575,852x = 272,285,818,032,338,496
5. Step 5: Solve for x
   x = 272,285,818,032,338,496/238,575,852
6. Step 6: Final answer
   x = 1,141,296,638.99