Finding the Third Proportional to 7,078,784 and 10,931,113

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078,784 : 10,931,113 = 10,931,113 : x
2. Step 2: Convert to fraction form
   7,078,784/10,931,113 = 10,931,113/x
3. Step 3: Cross multiply
   7,078,784x = 10,931,113 × 10,931,113
4. Step 4: Simplify right side
   7,078,784x = 119,489,231,418,769
5. Step 5: Solve for x
   x = 119,489,231,418,769/7,078,784
6. Step 6: Final answer
   x = 16,879,909.24