Finding the Third Proportional to 45,987.75 and 70,864.88

Step by Step Solution

1. Step 1: Write the proportion equation
   45,987.75 : 70,864.88 = 70,864.88 : x
2. Step 2: Convert to fraction form
   45,987.75/70,864.88 = 70,864.88/x
3. Step 3: Cross multiply
   45,987.75x = 70,864.88 × 70,864.88
4. Step 4: Simplify right side
   45,987.75x = 5,021,830,508.77
5. Step 5: Solve for x
   x = 5,021,830,508.77/45,987.75
6. Step 6: Final answer
   x = 109,199.31