Finding the Third Proportional to 31,684,626 and 67,916,632

Step by Step Solution

1. Step 1: Write the proportion equation
   31,684,626 : 67,916,632 = 67,916,632 : x
2. Step 2: Convert to fraction form
   31,684,626/67,916,632 = 67,916,632/x
3. Step 3: Cross multiply
   31,684,626x = 67,916,632 × 67,916,632
4. Step 4: Simplify right side
   31,684,626x = 4,612,668,902,223,424
5. Step 5: Solve for x
   x = 4,612,668,902,223,424/31,684,626
6. Step 6: Final answer
   x = 145,580,664.33