Finding the Third Proportional to 90,189,540 and 193,133,656

Step by Step Solution

1. Step 1: Write the proportion equation
   90,189,540 : 193,133,656 = 193,133,656 : x
2. Step 2: Convert to fraction form
   90,189,540/193,133,656 = 193,133,656/x
3. Step 3: Cross multiply
   90,189,540x = 193,133,656 × 193,133,656
4. Step 4: Simplify right side
   90,189,540x = 37,300,609,079,926,336
5. Step 5: Solve for x
   x = 37,300,609,079,926,336/90,189,540
6. Step 6: Final answer
   x = 413,580,212.07