Finding the Third Proportional to 90,189,544.50 and 193,133,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,189,544.50 : 193,133,659.50 = 193,133,659.50 : x
2. Step 2: Convert to fraction form
   90,189,544.50/193,133,659.50 = 193,133,659.50/x
3. Step 3: Cross multiply
   90,189,544.50x = 193,133,659.50 × 193,133,659.50
4. Step 4: Simplify right side
   90,189,544.50x = 37,300,610,431,861,944
5. Step 5: Solve for x
   x = 37,300,610,431,861,944/90,189,544.50
6. Step 6: Final answer
   x = 413,580,206.43