Finding the Third Proportional to 61,850,456 and 90,882,380

Step by Step Solution

1. Step 1: Write the proportion equation
   61,850,456 : 90,882,380 = 90,882,380 : x
2. Step 2: Convert to fraction form
   61,850,456/90,882,380 = 90,882,380/x
3. Step 3: Cross multiply
   61,850,456x = 90,882,380 × 90,882,380
4. Step 4: Simplify right side
   61,850,456x = 8,259,606,994,464,400
5. Step 5: Solve for x
   x = 8,259,606,994,464,400/61,850,456
6. Step 6: Final answer
   x = 133,541,569.92