Finding the Third Proportional to 389,619,101 and 584,941,152

Step by Step Solution

1. Step 1: Write the proportion equation
   389,619,101 : 584,941,152 = 584,941,152 : x
2. Step 2: Convert to fraction form
   389,619,101/584,941,152 = 584,941,152/x
3. Step 3: Cross multiply
   389,619,101x = 584,941,152 × 584,941,152
4. Step 4: Simplify right side
   389,619,101x = 342,156,151,303,087,104
5. Step 5: Solve for x
   x = 342,156,151,303,087,104/389,619,101
6. Step 6: Final answer
   x = 878,181,152.89