Finding the Third Proportional to 50,117,980.50 and 79,748,388

Step by Step Solution

1. Step 1: Write the proportion equation
   50,117,980.50 : 79,748,388 = 79,748,388 : x
2. Step 2: Convert to fraction form
   50,117,980.50/79,748,388 = 79,748,388/x
3. Step 3: Cross multiply
   50,117,980.50x = 79,748,388 × 79,748,388
4. Step 4: Simplify right side
   50,117,980.50x = 6,359,805,388,598,544
5. Step 5: Solve for x
   x = 6,359,805,388,598,544/50,117,980.50
6. Step 6: Final answer
   x = 126,896,681.09