Finding the Third Proportional to 8,742,006 and 13,113,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,742,006 : 13,113,022.50 = 13,113,022.50 : x
2. Step 2: Convert to fraction form
   8,742,006/13,113,022.50 = 13,113,022.50/x
3. Step 3: Cross multiply
   8,742,006x = 13,113,022.50 × 13,113,022.50
4. Step 4: Simplify right side
   8,742,006x = 171,951,359,085,506.25
5. Step 5: Solve for x
   x = 171,951,359,085,506.25/8,742,006
6. Step 6: Final answer
   x = 19,669,554.00