Finding the Third Proportional to 31,364,784 and 67,535,280

Step by Step Solution

1. Step 1: Write the proportion equation
   31,364,784 : 67,535,280 = 67,535,280 : x
2. Step 2: Convert to fraction form
   31,364,784/67,535,280 = 67,535,280/x
3. Step 3: Cross multiply
   31,364,784x = 67,535,280 × 67,535,280
4. Step 4: Simplify right side
   31,364,784x = 4,561,014,044,678,400
5. Step 5: Solve for x
   x = 4,561,014,044,678,400/31,364,784
6. Step 6: Final answer
   x = 145,418,315.16