Finding the Third Proportional to 103,065,761 and 213,305,590

Step by Step Solution

1. Step 1: Write the proportion equation
   103,065,761 : 213,305,590 = 213,305,590 : x
2. Step 2: Convert to fraction form
   103,065,761/213,305,590 = 213,305,590/x
3. Step 3: Cross multiply
   103,065,761x = 213,305,590 × 213,305,590
4. Step 4: Simplify right side
   103,065,761x = 45,499,274,725,248,096
5. Step 5: Solve for x
   x = 45,499,274,725,248,096/103,065,761
6. Step 6: Final answer
   x = 441,458,679.23