Finding the Third Proportional to 42,836,409.75 and 65,258,994

Step by Step Solution

1. Step 1: Write the proportion equation
   42,836,409.75 : 65,258,994 = 65,258,994 : x
2. Step 2: Convert to fraction form
   42,836,409.75/65,258,994 = 65,258,994/x
3. Step 3: Cross multiply
   42,836,409.75x = 65,258,994 × 65,258,994
4. Step 4: Simplify right side
   42,836,409.75x = 4,258,736,297,892,036
5. Step 5: Solve for x
   x = 4,258,736,297,892,036/42,836,409.75
6. Step 6: Final answer
   x = 99,418,609.61