Finding the Third Proportional to 138,562,813 and 193,718,978

Step by Step Solution

1. Step 1: Write the proportion equation
   138,562,813 : 193,718,978 = 193,718,978 : x
2. Step 2: Convert to fraction form
   138,562,813/193,718,978 = 193,718,978/x
3. Step 3: Cross multiply
   138,562,813x = 193,718,978 × 193,718,978
4. Step 4: Simplify right side
   138,562,813x = 37,527,042,437,364,480
5. Step 5: Solve for x
   x = 37,527,042,437,364,480/138,562,813
6. Step 6: Final answer
   x = 270,830,546.99