Finding the Third Proportional to 21,126,436 and 46,287,885.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,126,436 : 46,287,885.50 = 46,287,885.50 : x
2. Step 2: Convert to fraction form
   21,126,436/46,287,885.50 = 46,287,885.50/x
3. Step 3: Cross multiply
   21,126,436x = 46,287,885.50 × 46,287,885.50
4. Step 4: Simplify right side
   21,126,436x = 2,142,568,344,061,110.25
5. Step 5: Solve for x
   x = 2,142,568,344,061,110.25/21,126,436
6. Step 6: Final answer
   x = 101,416,459.65