Finding the Third Proportional to 3,545,106 and 7,731,840

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545,106 : 7,731,840 = 7,731,840 : x
2. Step 2: Convert to fraction form
   3,545,106/7,731,840 = 7,731,840/x
3. Step 3: Cross multiply
   3,545,106x = 7,731,840 × 7,731,840
4. Step 4: Simplify right side
   3,545,106x = 59,781,349,785,600
5. Step 5: Solve for x
   x = 59,781,349,785,600/3,545,106
6. Step 6: Final answer
   x = 16,863,064.12