Finding the Third Proportional to 103,663,793,581 and 154,816,390,648

Step by Step Solution

1. Step 1: Write the proportion equation
   103,663,793,581 : 154,816,390,648 = 154,816,390,648 : x
2. Step 2: Convert to fraction form
   103,663,793,581/154,816,390,648 = 154,816,390,648/x
3. Step 3: Cross multiply
   103,663,793,581x = 154,816,390,648 × 154,816,390,648
4. Step 4: Simplify right side
   103,663,793,581x = 23,968,114,813,274,142,277,632
5. Step 5: Solve for x
   x = 23,968,114,813,274,142,277,632/103,663,793,581
6. Step 6: Final answer
   x = 231,210,087,778.10