Finding the Third Proportional to 31,195,458 and 67,323,354

Step by Step Solution

1. Step 1: Write the proportion equation
   31,195,458 : 67,323,354 = 67,323,354 : x
2. Step 2: Convert to fraction form
   31,195,458/67,323,354 = 67,323,354/x
3. Step 3: Cross multiply
   31,195,458x = 67,323,354 × 67,323,354
4. Step 4: Simplify right side
   31,195,458x = 4,532,433,993,809,316
5. Step 5: Solve for x
   x = 4,532,433,993,809,316/31,195,458
6. Step 6: Final answer
   x = 145,291,471.40