Finding the Third Proportional to 139,805,044 and 209,707,590

Step by Step Solution

1. Step 1: Write the proportion equation
   139,805,044 : 209,707,590 = 209,707,590 : x
2. Step 2: Convert to fraction form
   139,805,044/209,707,590 = 209,707,590/x
3. Step 3: Cross multiply
   139,805,044x = 209,707,590 × 209,707,590
4. Step 4: Simplify right side
   139,805,044x = 43,977,273,303,608,096
5. Step 5: Solve for x
   x = 43,977,273,303,608,096/139,805,044
6. Step 6: Final answer
   x = 314,561,421.00