Finding the Third Proportional to 3,778,861 and 7,716,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,778,861 : 7,716,333.50 = 7,716,333.50 : x
2. Step 2: Convert to fraction form
   3,778,861/7,716,333.50 = 7,716,333.50/x
3. Step 3: Cross multiply
   3,778,861x = 7,716,333.50 × 7,716,333.50
4. Step 4: Simplify right side
   3,778,861x = 59,541,802,683,222.25
5. Step 5: Solve for x
   x = 59,541,802,683,222.25/3,778,861
6. Step 6: Final answer
   x = 15,756,547.46