Finding the Third Proportional to 4,136,174 and 8,749,264

Step by Step Solution

1. Step 1: Write the proportion equation
   4,136,174 : 8,749,264 = 8,749,264 : x
2. Step 2: Convert to fraction form
   4,136,174/8,749,264 = 8,749,264/x
3. Step 3: Cross multiply
   4,136,174x = 8,749,264 × 8,749,264
4. Step 4: Simplify right side
   4,136,174x = 76,549,620,541,696
5. Step 5: Solve for x
   x = 76,549,620,541,696/4,136,174
6. Step 6: Final answer
   x = 18,507,350.16