Finding the Third Proportional to 85,152,877.50 and 133,399,843.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,152,877.50 : 133,399,843.50 = 133,399,843.50 : x
2. Step 2: Convert to fraction form
   85,152,877.50/133,399,843.50 = 133,399,843.50/x
3. Step 3: Cross multiply
   85,152,877.50x = 133,399,843.50 × 133,399,843.50
4. Step 4: Simplify right side
   85,152,877.50x = 17,795,518,245,824,492
5. Step 5: Solve for x
   x = 17,795,518,245,824,492/85,152,877.50
6. Step 6: Final answer
   x = 208,983,169.66