Finding the Third Proportional to 103,640,860 and 154,890,090

Step by Step Solution

1. Step 1: Write the proportion equation
   103,640,860 : 154,890,090 = 154,890,090 : x
2. Step 2: Convert to fraction form
   103,640,860/154,890,090 = 154,890,090/x
3. Step 3: Cross multiply
   103,640,860x = 154,890,090 × 154,890,090
4. Step 4: Simplify right side
   103,640,860x = 23,990,939,980,208,100
5. Step 5: Solve for x
   x = 23,990,939,980,208,100/103,640,860
6. Step 6: Final answer
   x = 231,481,483.08