Finding the Third Proportional to 86,259,120 and 185,671,404

Step by Step Solution

1. Step 1: Write the proportion equation
   86,259,120 : 185,671,404 = 185,671,404 : x
2. Step 2: Convert to fraction form
   86,259,120/185,671,404 = 185,671,404/x
3. Step 3: Cross multiply
   86,259,120x = 185,671,404 × 185,671,404
4. Step 4: Simplify right side
   86,259,120x = 34,473,870,263,331,216
5. Step 5: Solve for x
   x = 34,473,870,263,331,216/86,259,120
6. Step 6: Final answer
   x = 399,654,787.38