Finding the Third Proportional to 3,426,672 and 5,140,737

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426,672 : 5,140,737 = 5,140,737 : x
2. Step 2: Convert to fraction form
   3,426,672/5,140,737 = 5,140,737/x
3. Step 3: Cross multiply
   3,426,672x = 5,140,737 × 5,140,737
4. Step 4: Simplify right side
   3,426,672x = 26,427,176,903,169
5. Step 5: Solve for x
   x = 26,427,176,903,169/3,426,672
6. Step 6: Final answer
   x = 7,712,199.16