Finding the Third Proportional to 538,156,870 and 842,362,484

Step by Step Solution

1. Step 1: Write the proportion equation
   538,156,870 : 842,362,484 = 842,362,484 : x
2. Step 2: Convert to fraction form
   538,156,870/842,362,484 = 842,362,484/x
3. Step 3: Cross multiply
   538,156,870x = 842,362,484 × 842,362,484
4. Step 4: Simplify right side
   538,156,870x = 709,574,554,450,650,240
5. Step 5: Solve for x
   x = 709,574,554,450,650,240/538,156,870
6. Step 6: Final answer
   x = 1,318,527,355.14