Finding the Third Proportional to 87,759,606 and 189,005,388

Step by Step Solution

1. Step 1: Write the proportion equation
   87,759,606 : 189,005,388 = 189,005,388 : x
2. Step 2: Convert to fraction form
   87,759,606/189,005,388 = 189,005,388/x
3. Step 3: Cross multiply
   87,759,606x = 189,005,388 × 189,005,388
4. Step 4: Simplify right side
   87,759,606x = 35,723,036,693,030,544
5. Step 5: Solve for x
   x = 35,723,036,693,030,544/87,759,606
6. Step 6: Final answer
   x = 407,055,572.85