Finding the Third Proportional to 56,782,857.94 and 123,530,234.63

Step by Step Solution

1. Step 1: Write the proportion equation
   56,782,857.94 : 123,530,234.63 = 123,530,234.63 : x
2. Step 2: Convert to fraction form
   56,782,857.94/123,530,234.63 = 123,530,234.63/x
3. Step 3: Cross multiply
   56,782,857.94x = 123,530,234.63 × 123,530,234.63
4. Step 4: Simplify right side
   56,782,857.94x = 15,259,718,866,507,548
5. Step 5: Solve for x
   x = 15,259,718,866,507,548/56,782,857.94
6. Step 6: Final answer
   x = 268,738,126.62