Finding the Third Proportional to 65,083,018 and 142,669,844

Step by Step Solution

1. Step 1: Write the proportion equation
   65,083,018 : 142,669,844 = 142,669,844 : x
2. Step 2: Convert to fraction form
   65,083,018/142,669,844 = 142,669,844/x
3. Step 3: Cross multiply
   65,083,018x = 142,669,844 × 142,669,844
4. Step 4: Simplify right side
   65,083,018x = 20,354,684,386,984,336
5. Step 5: Solve for x
   x = 20,354,684,386,984,336/65,083,018
6. Step 6: Final answer
   x = 312,749,546.85