Finding the Third Proportional to 40,878,470 and 89,014,540

Step by Step Solution

1. Step 1: Write the proportion equation
   40,878,470 : 89,014,540 = 89,014,540 : x
2. Step 2: Convert to fraction form
   40,878,470/89,014,540 = 89,014,540/x
3. Step 3: Cross multiply
   40,878,470x = 89,014,540 × 89,014,540
4. Step 4: Simplify right side
   40,878,470x = 7,923,588,331,411,600
5. Step 5: Solve for x
   x = 7,923,588,331,411,600/40,878,470
6. Step 6: Final answer
   x = 193,832,800.77