Finding the Third Proportional to 57,636,410 and 89,147,939

Step by Step Solution

1. Step 1: Write the proportion equation
   57,636,410 : 89,147,939 = 89,147,939 : x
2. Step 2: Convert to fraction form
   57,636,410/89,147,939 = 89,147,939/x
3. Step 3: Cross multiply
   57,636,410x = 89,147,939 × 89,147,939
4. Step 4: Simplify right side
   57,636,410x = 7,947,355,027,947,721
5. Step 5: Solve for x
   x = 7,947,355,027,947,721/57,636,410
6. Step 6: Final answer
   x = 137,887,752.34