Finding the Third Proportional to 31,148,448 and 67,087,122

Step by Step Solution

1. Step 1: Write the proportion equation
   31,148,448 : 67,087,122 = 67,087,122 : x
2. Step 2: Convert to fraction form
   31,148,448/67,087,122 = 67,087,122/x
3. Step 3: Cross multiply
   31,148,448x = 67,087,122 × 67,087,122
4. Step 4: Simplify right side
   31,148,448x = 4,500,681,938,242,884
5. Step 5: Solve for x
   x = 4,500,681,938,242,884/31,148,448
6. Step 6: Final answer
   x = 144,491,370.43