Finding the Third Proportional to 13,018,968 and 28,352,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,018,968 : 28,352,389.50 = 28,352,389.50 : x
2. Step 2: Convert to fraction form
   13,018,968/28,352,389.50 = 28,352,389.50/x
3. Step 3: Cross multiply
   13,018,968x = 28,352,389.50 × 28,352,389.50
4. Step 4: Simplify right side
   13,018,968x = 803,857,990,359,710.25
5. Step 5: Solve for x
   x = 803,857,990,359,710.25/13,018,968
6. Step 6: Final answer
   x = 61,745,139.12