Finding the Third Proportional to 55,838,379 and 83,816,658

Step by Step Solution

1. Step 1: Write the proportion equation
   55,838,379 : 83,816,658 = 83,816,658 : x
2. Step 2: Convert to fraction form
   55,838,379/83,816,658 = 83,816,658/x
3. Step 3: Cross multiply
   55,838,379x = 83,816,658 × 83,816,658
4. Step 4: Simplify right side
   55,838,379x = 7,025,232,158,288,964
5. Step 5: Solve for x
   x = 7,025,232,158,288,964/55,838,379
6. Step 6: Final answer
   x = 125,813,683.78