Finding the Third Proportional to 34,887,680 and 51,991,180

Step by Step Solution

1. Step 1: Write the proportion equation
   34,887,680 : 51,991,180 = 51,991,180 : x
2. Step 2: Convert to fraction form
   34,887,680/51,991,180 = 51,991,180/x
3. Step 3: Cross multiply
   34,887,680x = 51,991,180 × 51,991,180
4. Step 4: Simplify right side
   34,887,680x = 2,703,082,797,792,400
5. Step 5: Solve for x
   x = 2,703,082,797,792,400/34,887,680
6. Step 6: Final answer
   x = 77,479,580.12