Finding the Third Proportional to 14,879,688 and 21,060,536

Step by Step Solution

1. Step 1: Write the proportion equation
   14,879,688 : 21,060,536 = 21,060,536 : x
2. Step 2: Convert to fraction form
   14,879,688/21,060,536 = 21,060,536/x
3. Step 3: Cross multiply
   14,879,688x = 21,060,536 × 21,060,536
4. Step 4: Simplify right side
   14,879,688x = 443,546,176,607,296
5. Step 5: Solve for x
   x = 443,546,176,607,296/14,879,688
6. Step 6: Final answer
   x = 29,808,835.82