Finding the Third Proportional to 139,805,092 and 209,707,662

Step by Step Solution

1. Step 1: Write the proportion equation
   139,805,092 : 209,707,662 = 209,707,662 : x
2. Step 2: Convert to fraction form
   139,805,092/209,707,662 = 209,707,662/x
3. Step 3: Cross multiply
   139,805,092x = 209,707,662 × 209,707,662
4. Step 4: Simplify right side
   139,805,092x = 43,977,303,501,506,240
5. Step 5: Solve for x
   x = 43,977,303,501,506,240/139,805,092
6. Step 6: Final answer
   x = 314,561,529.00