Finding the Third Proportional to 138,971,142 and 300,817,932

Step by Step Solution

1. Step 1: Write the proportion equation
   138,971,142 : 300,817,932 = 300,817,932 : x
2. Step 2: Convert to fraction form
   138,971,142/300,817,932 = 300,817,932/x
3. Step 3: Cross multiply
   138,971,142x = 300,817,932 × 300,817,932
4. Step 4: Simplify right side
   138,971,142x = 90,491,428,212,756,624
5. Step 5: Solve for x
   x = 90,491,428,212,756,624/138,971,142
6. Step 6: Final answer
   x = 651,152,655.94