Finding the Third Proportional to 14,379,688 and 31,298,672

Step by Step Solution

1. Step 1: Write the proportion equation
   14,379,688 : 31,298,672 = 31,298,672 : x
2. Step 2: Convert to fraction form
   14,379,688/31,298,672 = 31,298,672/x
3. Step 3: Cross multiply
   14,379,688x = 31,298,672 × 31,298,672
4. Step 4: Simplify right side
   14,379,688x = 979,606,868,963,584
5. Step 5: Solve for x
   x = 979,606,868,963,584/14,379,688
6. Step 6: Final answer
   x = 68,124,347.97