Finding the Third Proportional to 908,268,860 and 1,988,488,300

Step by Step Solution

1. Step 1: Write the proportion equation
   908,268,860 : 1,988,488,300 = 1,988,488,300 : x
2. Step 2: Convert to fraction form
   908,268,860/1,988,488,300 = 1,988,488,300/x
3. Step 3: Cross multiply
   908,268,860x = 1,988,488,300 × 1,988,488,300
4. Step 4: Simplify right side
   908,268,860x = 3,954,085,719,236,890,112
5. Step 5: Solve for x
   x = 3,954,085,719,236,890,112/908,268,860
6. Step 6: Final answer
   x = 4,353,430,898.46