Finding the Third Proportional to 4,991,688 and 7,300,331

Step by Step Solution

1. Step 1: Write the proportion equation
   4,991,688 : 7,300,331 = 7,300,331 : x
2. Step 2: Convert to fraction form
   4,991,688/7,300,331 = 7,300,331/x
3. Step 3: Cross multiply
   4,991,688x = 7,300,331 × 7,300,331
4. Step 4: Simplify right side
   4,991,688x = 53,294,832,709,561
5. Step 5: Solve for x
   x = 53,294,832,709,561/4,991,688
6. Step 6: Final answer
   x = 10,676,715.51