Finding the Third Proportional to 685,350,181.50 and 1,059,464,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   685,350,181.50 : 1,059,464,005.50 = 1,059,464,005.50 : x
2. Step 2: Convert to fraction form
   685,350,181.50/1,059,464,005.50 = 1,059,464,005.50/x
3. Step 3: Cross multiply
   685,350,181.50x = 1,059,464,005.50 × 1,059,464,005.50
4. Step 4: Simplify right side
   685,350,181.50x = 1,122,463,978,950,104,064
5. Step 5: Solve for x
   x = 1,122,463,978,950,104,064/685,350,181.50
6. Step 6: Final answer
   x = 1,637,796,281.74