Finding the Third Proportional to 31,525,209 and 67,913,634

Step by Step Solution

1. Step 1: Write the proportion equation
   31,525,209 : 67,913,634 = 67,913,634 : x
2. Step 2: Convert to fraction form
   31,525,209/67,913,634 = 67,913,634/x
3. Step 3: Cross multiply
   31,525,209x = 67,913,634 × 67,913,634
4. Step 4: Simplify right side
   31,525,209x = 4,612,261,683,085,956
5. Step 5: Solve for x
   x = 4,612,261,683,085,956/31,525,209
6. Step 6: Final answer
   x = 146,303,920.87