Finding the Third Proportional to 11,934,120 and 17,677,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,934,120 : 17,677,417.50 = 17,677,417.50 : x
2. Step 2: Convert to fraction form
   11,934,120/17,677,417.50 = 17,677,417.50/x
3. Step 3: Cross multiply
   11,934,120x = 17,677,417.50 × 17,677,417.50
4. Step 4: Simplify right side
   11,934,120x = 312,491,089,469,306.25
5. Step 5: Solve for x
   x = 312,491,089,469,306.25/11,934,120
6. Step 6: Final answer
   x = 26,184,678.00