Finding the Third Proportional to 113,188,248 and 242,513,640

Step by Step Solution

1. Step 1: Write the proportion equation
   113,188,248 : 242,513,640 = 242,513,640 : x
2. Step 2: Convert to fraction form
   113,188,248/242,513,640 = 242,513,640/x
3. Step 3: Cross multiply
   113,188,248x = 242,513,640 × 242,513,640
4. Step 4: Simplify right side
   113,188,248x = 58,812,865,586,049,600
5. Step 5: Solve for x
   x = 58,812,865,586,049,600/113,188,248
6. Step 6: Final answer
   x = 519,602,225.72