Finding the Third Proportional to 55,838,367 and 83,816,640

Step by Step Solution

1. Step 1: Write the proportion equation
   55,838,367 : 83,816,640 = 83,816,640 : x
2. Step 2: Convert to fraction form
   55,838,367/83,816,640 = 83,816,640/x
3. Step 3: Cross multiply
   55,838,367x = 83,816,640 × 83,816,640
4. Step 4: Simplify right side
   55,838,367x = 7,025,229,140,889,600
5. Step 5: Solve for x
   x = 7,025,229,140,889,600/55,838,367
6. Step 6: Final answer
   x = 125,813,656.78