Finding the Third Proportional to 7,140,763 and 10,878,464

Step by Step Solution

1. Step 1: Write the proportion equation
   7,140,763 : 10,878,464 = 10,878,464 : x
2. Step 2: Convert to fraction form
   7,140,763/10,878,464 = 10,878,464/x
3. Step 3: Cross multiply
   7,140,763x = 10,878,464 × 10,878,464
4. Step 4: Simplify right side
   7,140,763x = 118,340,978,999,296
5. Step 5: Solve for x
   x = 118,340,978,999,296/7,140,763
6. Step 6: Final answer
   x = 16,572,595.81