Finding the Third Proportional to 79,293,021 and 111,663,733.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,293,021 : 111,663,733.50 = 111,663,733.50 : x
2. Step 2: Convert to fraction form
   79,293,021/111,663,733.50 = 111,663,733.50/x
3. Step 3: Cross multiply
   79,293,021x = 111,663,733.50 × 111,663,733.50
4. Step 4: Simplify right side
   79,293,021x = 12,468,789,379,159,022
5. Step 5: Solve for x
   x = 12,468,789,379,159,022/79,293,021
6. Step 6: Final answer
   x = 157,249,518.58