Finding the Third Proportional to 139,769,280 and 216,195,264

Step by Step Solution

1. Step 1: Write the proportion equation
   139,769,280 : 216,195,264 = 216,195,264 : x
2. Step 2: Convert to fraction form
   139,769,280/216,195,264 = 216,195,264/x
3. Step 3: Cross multiply
   139,769,280x = 216,195,264 × 216,195,264
4. Step 4: Simplify right side
   139,769,280x = 46,740,392,176,029,696
5. Step 5: Solve for x
   x = 46,740,392,176,029,696/139,769,280
6. Step 6: Final answer
   x = 334,411,053.53