Finding the Third Proportional to 31,999,644 and 70,227,764

Step by Step Solution

1. Step 1: Write the proportion equation
   31,999,644 : 70,227,764 = 70,227,764 : x
2. Step 2: Convert to fraction form
   31,999,644/70,227,764 = 70,227,764/x
3. Step 3: Cross multiply
   31,999,644x = 70,227,764 × 70,227,764
4. Step 4: Simplify right side
   31,999,644x = 4,931,938,836,439,696
5. Step 5: Solve for x
   x = 4,931,938,836,439,696/31,999,644
6. Step 6: Final answer
   x = 154,124,803.28