Finding the Third Proportional to 31,528,685 and 67,919,314

Step by Step Solution

1. Step 1: Write the proportion equation
   31,528,685 : 67,919,314 = 67,919,314 : x
2. Step 2: Convert to fraction form
   31,528,685/67,919,314 = 67,919,314/x
3. Step 3: Cross multiply
   31,528,685x = 67,919,314 × 67,919,314
4. Step 4: Simplify right side
   31,528,685x = 4,613,033,214,230,596
5. Step 5: Solve for x
   x = 4,613,033,214,230,596/31,528,685
6. Step 6: Final answer
   x = 146,312,261.81