Finding the Third Proportional to 8,216,481 and 12,020,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216,481 : 12,020,485.50 = 12,020,485.50 : x
2. Step 2: Convert to fraction form
   8,216,481/12,020,485.50 = 12,020,485.50/x
3. Step 3: Cross multiply
   8,216,481x = 12,020,485.50 × 12,020,485.50
4. Step 4: Simplify right side
   8,216,481x = 144,492,071,655,710.25
5. Step 5: Solve for x
   x = 144,492,071,655,710.25/8,216,481
6. Step 6: Final answer
   x = 17,585,639.36