Finding the Third Proportional to 64,809,038 and 152,987,855

Step by Step Solution

1. Step 1: Write the proportion equation
   64,809,038 : 152,987,855 = 152,987,855 : x
2. Step 2: Convert to fraction form
   64,809,038/152,987,855 = 152,987,855/x
3. Step 3: Cross multiply
   64,809,038x = 152,987,855 × 152,987,855
4. Step 4: Simplify right side
   64,809,038x = 23,405,283,777,501,024
5. Step 5: Solve for x
   x = 23,405,283,777,501,024/64,809,038
6. Step 6: Final answer
   x = 361,142,280.46