Finding the Third Proportional to 78,147,031.50 and 114,879,199.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,147,031.50 : 114,879,199.50 = 114,879,199.50 : x
2. Step 2: Convert to fraction form
   78,147,031.50/114,879,199.50 = 114,879,199.50/x
3. Step 3: Cross multiply
   78,147,031.50x = 114,879,199.50 × 114,879,199.50
4. Step 4: Simplify right side
   78,147,031.50x = 13,197,230,477,760,800
5. Step 5: Solve for x
   x = 13,197,230,477,760,800/78,147,031.50
6. Step 6: Final answer
   x = 168,876,926.28