Finding the Third Proportional to 31,377,304.50 and 67,796,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,377,304.50 : 67,796,389.50 = 67,796,389.50 : x
2. Step 2: Convert to fraction form
   31,377,304.50/67,796,389.50 = 67,796,389.50/x
3. Step 3: Cross multiply
   31,377,304.50x = 67,796,389.50 × 67,796,389.50
4. Step 4: Simplify right side
   31,377,304.50x = 4,596,350,429,235,710
5. Step 5: Solve for x
   x = 4,596,350,429,235,710/31,377,304.50
6. Step 6: Final answer
   x = 146,486,465.38