Finding the Third Proportional to 113,390,865,616.50 and 242,955,389,790

Step by Step Solution

1. Step 1: Write the proportion equation
   113,390,865,616.50 : 242,955,389,790 = 242,955,389,790 : x
2. Step 2: Convert to fraction form
   113,390,865,616.50/242,955,389,790 = 242,955,389,790/x
3. Step 3: Cross multiply
   113,390,865,616.50x = 242,955,389,790 × 242,955,389,790
4. Step 4: Simplify right side
   113,390,865,616.50x = 59,027,321,428,010,833,281,024
5. Step 5: Solve for x
   x = 59,027,321,428,010,833,281,024/113,390,865,616.50
6. Step 6: Final answer
   x = 520,565,048,225.73