Finding the Third Proportional to 103,663,793,580 and 154,816,390,647

Step by Step Solution

1. Step 1: Write the proportion equation
   103,663,793,580 : 154,816,390,647 = 154,816,390,647 : x
2. Step 2: Convert to fraction form
   103,663,793,580/154,816,390,647 = 154,816,390,647/x
3. Step 3: Cross multiply
   103,663,793,580x = 154,816,390,647 × 154,816,390,647
4. Step 4: Simplify right side
   103,663,793,580x = 23,968,114,812,964,510,367,744
5. Step 5: Solve for x
   x = 23,968,114,812,964,510,367,744/103,663,793,580
6. Step 6: Final answer
   x = 231,210,087,777.35