Finding the Third Proportional to 85,373,300 and 187,339,240

Step by Step Solution

1. Step 1: Write the proportion equation
   85,373,300 : 187,339,240 = 187,339,240 : x
2. Step 2: Convert to fraction form
   85,373,300/187,339,240 = 187,339,240/x
3. Step 3: Cross multiply
   85,373,300x = 187,339,240 × 187,339,240
4. Step 4: Simplify right side
   85,373,300x = 35,095,990,843,777,600
5. Step 5: Solve for x
   x = 35,095,990,843,777,600/85,373,300
6. Step 6: Final answer
   x = 411,088,605.50