Finding the Third Proportional to 40,878,468 and 89,014,536

Step by Step Solution

1. Step 1: Write the proportion equation
   40,878,468 : 89,014,536 = 89,014,536 : x
2. Step 2: Convert to fraction form
   40,878,468/89,014,536 = 89,014,536/x
3. Step 3: Cross multiply
   40,878,468x = 89,014,536 × 89,014,536
4. Step 4: Simplify right side
   40,878,468x = 7,923,587,619,295,296
5. Step 5: Solve for x
   x = 7,923,587,619,295,296/40,878,468
6. Step 6: Final answer
   x = 193,832,792.84