Finding the Third Proportional to 101,383,140 and 208,140,960

Step by Step Solution

1. Step 1: Write the proportion equation
   101,383,140 : 208,140,960 = 208,140,960 : x
2. Step 2: Convert to fraction form
   101,383,140/208,140,960 = 208,140,960/x
3. Step 3: Cross multiply
   101,383,140x = 208,140,960 × 208,140,960
4. Step 4: Simplify right side
   101,383,140x = 43,322,659,229,721,600
5. Step 5: Solve for x
   x = 43,322,659,229,721,600/101,383,140
6. Step 6: Final answer
   x = 427,316,210.86