Finding the Third Proportional to 85,093,788 and 205,156,758

Step by Step Solution

1. Step 1: Write the proportion equation
   85,093,788 : 205,156,758 = 205,156,758 : x
2. Step 2: Convert to fraction form
   85,093,788/205,156,758 = 205,156,758/x
3. Step 3: Cross multiply
   85,093,788x = 205,156,758 × 205,156,758
4. Step 4: Simplify right side
   85,093,788x = 42,089,295,353,070,560
5. Step 5: Solve for x
   x = 42,089,295,353,070,560/85,093,788
6. Step 6: Final answer
   x = 494,622,420.07