Finding the Third Proportional to 55,838,328 and 83,816,580

Step by Step Solution

1. Step 1: Write the proportion equation
   55,838,328 : 83,816,580 = 83,816,580 : x
2. Step 2: Convert to fraction form
   55,838,328/83,816,580 = 83,816,580/x
3. Step 3: Cross multiply
   55,838,328x = 83,816,580 × 83,816,580
4. Step 4: Simplify right side
   55,838,328x = 7,025,219,082,896,400
5. Step 5: Solve for x
   x = 7,025,219,082,896,400/55,838,328
6. Step 6: Final answer
   x = 125,813,564.53