Finding the Third Proportional to 58,591,561 and 123,826,120

Step by Step Solution

1. Step 1: Write the proportion equation
   58,591,561 : 123,826,120 = 123,826,120 : x
2. Step 2: Convert to fraction form
   58,591,561/123,826,120 = 123,826,120/x
3. Step 3: Cross multiply
   58,591,561x = 123,826,120 × 123,826,120
4. Step 4: Simplify right side
   58,591,561x = 15,332,907,994,254,400
5. Step 5: Solve for x
   x = 15,332,907,994,254,400/58,591,561
6. Step 6: Final answer
   x = 261,691,406.28