Finding the Third Proportional to 83,437,978.50 and 122,744,889

Step by Step Solution

1. Step 1: Write the proportion equation
   83,437,978.50 : 122,744,889 = 122,744,889 : x
2. Step 2: Convert to fraction form
   83,437,978.50/122,744,889 = 122,744,889/x
3. Step 3: Cross multiply
   83,437,978.50x = 122,744,889 × 122,744,889
4. Step 4: Simplify right side
   83,437,978.50x = 15,066,307,775,622,320
5. Step 5: Solve for x
   x = 15,066,307,775,622,320/83,437,978.50
6. Step 6: Final answer
   x = 180,568,945.30