Finding the Third Proportional to 59,091,476 and 90,771,742

Step by Step Solution

1. Step 1: Write the proportion equation
   59,091,476 : 90,771,742 = 90,771,742 : x
2. Step 2: Convert to fraction form
   59,091,476/90,771,742 = 90,771,742/x
3. Step 3: Cross multiply
   59,091,476x = 90,771,742 × 90,771,742
4. Step 4: Simplify right side
   59,091,476x = 8,239,509,145,714,564
5. Step 5: Solve for x
   x = 8,239,509,145,714,564/59,091,476
6. Step 6: Final answer
   x = 139,436,509.35