Finding the Third Proportional to 115,870,090 and 251,669,222

Step by Step Solution

1. Step 1: Write the proportion equation
   115,870,090 : 251,669,222 = 251,669,222 : x
2. Step 2: Convert to fraction form
   115,870,090/251,669,222 = 251,669,222/x
3. Step 3: Cross multiply
   115,870,090x = 251,669,222 × 251,669,222
4. Step 4: Simplify right side
   115,870,090x = 63,337,397,302,085,280
5. Step 5: Solve for x
   x = 63,337,397,302,085,280/115,870,090
6. Step 6: Final answer
   x = 546,624,217.71