Finding the Third Proportional to 69,456,290 and 150,869,476

Step by Step Solution

1. Step 1: Write the proportion equation
   69,456,290 : 150,869,476 = 150,869,476 : x
2. Step 2: Convert to fraction form
   69,456,290/150,869,476 = 150,869,476/x
3. Step 3: Cross multiply
   69,456,290x = 150,869,476 × 150,869,476
4. Step 4: Simplify right side
   69,456,290x = 22,761,598,788,514,576
5. Step 5: Solve for x
   x = 22,761,598,788,514,576/69,456,290
6. Step 6: Final answer
   x = 327,711,122.90