Finding the Third Proportional to 31,195,457 and 67,323,350

Step by Step Solution

1. Step 1: Write the proportion equation
   31,195,457 : 67,323,350 = 67,323,350 : x
2. Step 2: Convert to fraction form
   31,195,457/67,323,350 = 67,323,350/x
3. Step 3: Cross multiply
   31,195,457x = 67,323,350 × 67,323,350
4. Step 4: Simplify right side
   31,195,457x = 4,532,433,455,222,500
5. Step 5: Solve for x
   x = 4,532,433,455,222,500/31,195,457
6. Step 6: Final answer
   x = 145,291,458.79