Finding the Third Proportional to 65,566,234 and 142,998,428

Step by Step Solution

1. Step 1: Write the proportion equation
   65,566,234 : 142,998,428 = 142,998,428 : x
2. Step 2: Convert to fraction form
   65,566,234/142,998,428 = 142,998,428/x
3. Step 3: Cross multiply
   65,566,234x = 142,998,428 × 142,998,428
4. Step 4: Simplify right side
   65,566,234x = 20,448,550,410,471,184
5. Step 5: Solve for x
   x = 20,448,550,410,471,184/65,566,234
6. Step 6: Final answer
   x = 311,876,238.16