Finding the Third Proportional to 55,838,372 and 83,816,648

Step by Step Solution

1. Step 1: Write the proportion equation
   55,838,372 : 83,816,648 = 83,816,648 : x
2. Step 2: Convert to fraction form
   55,838,372/83,816,648 = 83,816,648/x
3. Step 3: Cross multiply
   55,838,372x = 83,816,648 × 83,816,648
4. Step 4: Simplify right side
   55,838,372x = 7,025,230,481,955,904
5. Step 5: Solve for x
   x = 7,025,230,481,955,904/55,838,372
6. Step 6: Final answer
   x = 125,813,669.53