Finding the Third Proportional to 42,452,891 and 90,960,154

Step by Step Solution

1. Step 1: Write the proportion equation
   42,452,891 : 90,960,154 = 90,960,154 : x
2. Step 2: Convert to fraction form
   42,452,891/90,960,154 = 90,960,154/x
3. Step 3: Cross multiply
   42,452,891x = 90,960,154 × 90,960,154
4. Step 4: Simplify right side
   42,452,891x = 8,273,749,615,703,716
5. Step 5: Solve for x
   x = 8,273,749,615,703,716/42,452,891
6. Step 6: Final answer
   x = 194,892,489.55