Finding the Third Proportional to 103,663,793,585 and 154,816,390,654

Step by Step Solution

1. Step 1: Write the proportion equation
   103,663,793,585 : 154,816,390,654 = 154,816,390,654 : x
2. Step 2: Convert to fraction form
   103,663,793,585/154,816,390,654 = 154,816,390,654/x
3. Step 3: Cross multiply
   103,663,793,585x = 154,816,390,654 × 154,816,390,654
4. Step 4: Simplify right side
   103,663,793,585x = 23,968,114,815,131,937,931,264
5. Step 5: Solve for x
   x = 23,968,114,815,131,937,931,264/103,663,793,585
6. Step 6: Final answer
   x = 231,210,087,787.10