Finding the Third Proportional to 58,834,617 and 128,262,774

Step by Step Solution

1. Step 1: Write the proportion equation
   58,834,617 : 128,262,774 = 128,262,774 : x
2. Step 2: Convert to fraction form
   58,834,617/128,262,774 = 128,262,774/x
3. Step 3: Cross multiply
   58,834,617x = 128,262,774 × 128,262,774
4. Step 4: Simplify right side
   58,834,617x = 16,451,339,194,175,076
5. Step 5: Solve for x
   x = 16,451,339,194,175,076/58,834,617
6. Step 6: Final answer
   x = 279,620,061.00