Finding the Third Proportional to 9,459,715.50 and 20,686,068

Step by Step Solution

1. Step 1: Write the proportion equation
   9,459,715.50 : 20,686,068 = 20,686,068 : x
2. Step 2: Convert to fraction form
   9,459,715.50/20,686,068 = 20,686,068/x
3. Step 3: Cross multiply
   9,459,715.50x = 20,686,068 × 20,686,068
4. Step 4: Simplify right side
   9,459,715.50x = 427,913,409,300,624
5. Step 5: Solve for x
   x = 427,913,409,300,624/9,459,715.50
6. Step 6: Final answer
   x = 45,235,336.02