Finding the Third Proportional to 57,772,424 and 89,744,508

Step by Step Solution

1. Step 1: Write the proportion equation
   57,772,424 : 89,744,508 = 89,744,508 : x
2. Step 2: Convert to fraction form
   57,772,424/89,744,508 = 89,744,508/x
3. Step 3: Cross multiply
   57,772,424x = 89,744,508 × 89,744,508
4. Step 4: Simplify right side
   57,772,424x = 8,054,076,716,162,064
5. Step 5: Solve for x
   x = 8,054,076,716,162,064/57,772,424
6. Step 6: Final answer
   x = 139,410,399.61