Finding the Third Proportional to 118,283,623.88 and 258,865,443.94

Step by Step Solution

1. Step 1: Write the proportion equation
   118,283,623.88 : 258,865,443.94 = 258,865,443.94 : x
2. Step 2: Convert to fraction form
   118,283,623.88/258,865,443.94 = 258,865,443.94/x
3. Step 3: Cross multiply
   118,283,623.88x = 258,865,443.94 × 258,865,443.94
4. Step 4: Simplify right side
   118,283,623.88x = 67,011,318,064,958,952
5. Step 5: Solve for x
   x = 67,011,318,064,958,952/118,283,623.88
6. Step 6: Final answer
   x = 566,530,816.94