Finding the Third Proportional to 59,669,019 and 89,136,048.38

Step by Step Solution

1. Step 1: Write the proportion equation
   59,669,019 : 89,136,048.38 = 89,136,048.38 : x
2. Step 2: Convert to fraction form
   59,669,019/89,136,048.38 = 89,136,048.38/x
3. Step 3: Cross multiply
   59,669,019x = 89,136,048.38 × 89,136,048.38
4. Step 4: Simplify right side
   59,669,019x = 7,945,235,119,910,340
5. Step 5: Solve for x
   x = 7,945,235,119,910,340/59,669,019
6. Step 6: Final answer
   x = 133,155,115.55