Finding the Third Proportional to 31,375,642 and 68,307,284

Step by Step Solution

1. Step 1: Write the proportion equation
   31,375,642 : 68,307,284 = 68,307,284 : x
2. Step 2: Convert to fraction form
   31,375,642/68,307,284 = 68,307,284/x
3. Step 3: Cross multiply
   31,375,642x = 68,307,284 × 68,307,284
4. Step 4: Simplify right side
   31,375,642x = 4,665,885,047,456,656
5. Step 5: Solve for x
   x = 4,665,885,047,456,656/31,375,642
6. Step 6: Final answer
   x = 148,710,424.71