Finding the Third Proportional to 3,849,817.50 and 8,364,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,849,817.50 : 8,364,766.50 = 8,364,766.50 : x
2. Step 2: Convert to fraction form
   3,849,817.50/8,364,766.50 = 8,364,766.50/x
3. Step 3: Cross multiply
   3,849,817.50x = 8,364,766.50 × 8,364,766.50
4. Step 4: Simplify right side
   3,849,817.50x = 69,969,318,599,522.25
5. Step 5: Solve for x
   x = 69,969,318,599,522.25/3,849,817.50
6. Step 6: Final answer
   x = 18,174,710.52