Finding the Third Proportional to 138,659,394 and 300,460,164

Step by Step Solution

1. Step 1: Write the proportion equation
   138,659,394 : 300,460,164 = 300,460,164 : x
2. Step 2: Convert to fraction form
   138,659,394/300,460,164 = 300,460,164/x
3. Step 3: Cross multiply
   138,659,394x = 300,460,164 × 300,460,164
4. Step 4: Simplify right side
   138,659,394x = 90,276,310,150,906,896
5. Step 5: Solve for x
   x = 90,276,310,150,906,896/138,659,394
6. Step 6: Final answer
   x = 651,065,229.31