Finding the Third Proportional to 3,876,405 and 5,776,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,876,405 : 5,776,792.50 = 5,776,792.50 : x
2. Step 2: Convert to fraction form
   3,876,405/5,776,792.50 = 5,776,792.50/x
3. Step 3: Cross multiply
   3,876,405x = 5,776,792.50 × 5,776,792.50
4. Step 4: Simplify right side
   3,876,405x = 33,371,331,588,056.25
5. Step 5: Solve for x
   x = 33,371,331,588,056.25/3,876,405
6. Step 6: Final answer
   x = 8,608,835.14