Finding the Third Proportional to 118,870,305 and 258,843,588

Step by Step Solution

1. Step 1: Write the proportion equation
   118,870,305 : 258,843,588 = 258,843,588 : x
2. Step 2: Convert to fraction form
   118,870,305/258,843,588 = 258,843,588/x
3. Step 3: Cross multiply
   118,870,305x = 258,843,588 × 258,843,588
4. Step 4: Simplify right side
   118,870,305x = 67,000,003,048,713,744
5. Step 5: Solve for x
   x = 67,000,003,048,713,744/118,870,305
6. Step 6: Final answer
   x = 563,639,531.75