Finding the Third Proportional to 2,172,423 and 3,038,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,423 : 3,038,620.50 = 3,038,620.50 : x
2. Step 2: Convert to fraction form
   2,172,423/3,038,620.50 = 3,038,620.50/x
3. Step 3: Cross multiply
   2,172,423x = 3,038,620.50 × 3,038,620.50
4. Step 4: Simplify right side
   2,172,423x = 9,233,214,543,020.25
5. Step 5: Solve for x
   x = 9,233,214,543,020.25/2,172,423
6. Step 6: Final answer
   x = 4,250,191.86