Finding the Third Proportional to 31,684,602 and 67,916,584

Step by Step Solution

1. Step 1: Write the proportion equation
   31,684,602 : 67,916,584 = 67,916,584 : x
2. Step 2: Convert to fraction form
   31,684,602/67,916,584 = 67,916,584/x
3. Step 3: Cross multiply
   31,684,602x = 67,916,584 × 67,916,584
4. Step 4: Simplify right side
   31,684,602x = 4,612,662,382,229,056
5. Step 5: Solve for x
   x = 4,612,662,382,229,056/31,684,602
6. Step 6: Final answer
   x = 145,580,568.83