Finding the Third Proportional to 55,639,759 and 85,111,887

Step by Step Solution

1. Step 1: Write the proportion equation
   55,639,759 : 85,111,887 = 85,111,887 : x
2. Step 2: Convert to fraction form
   55,639,759/85,111,887 = 85,111,887/x
3. Step 3: Cross multiply
   55,639,759x = 85,111,887 × 85,111,887
4. Step 4: Simplify right side
   55,639,759x = 7,244,033,308,700,769
5. Step 5: Solve for x
   x = 7,244,033,308,700,769/55,639,759
6. Step 6: Final answer
   x = 130,195,267.54