Finding the Third Proportional to 59,922,816 and 90,513,964

Step by Step Solution

1. Step 1: Write the proportion equation
   59,922,816 : 90,513,964 = 90,513,964 : x
2. Step 2: Convert to fraction form
   59,922,816/90,513,964 = 90,513,964/x
3. Step 3: Cross multiply
   59,922,816x = 90,513,964 × 90,513,964
4. Step 4: Simplify right side
   59,922,816x = 8,192,777,678,993,296
5. Step 5: Solve for x
   x = 8,192,777,678,993,296/59,922,816
6. Step 6: Final answer
   x = 136,722,174.05