Finding the Third Proportional to 786,465 and 1,720,113

Step by Step Solution

1. Step 1: Write the proportion equation
   786,465 : 1,720,113 = 1,720,113 : x
2. Step 2: Convert to fraction form
   786,465/1,720,113 = 1,720,113/x
3. Step 3: Cross multiply
   786,465x = 1,720,113 × 1,720,113
4. Step 4: Simplify right side
   786,465x = 2,958,788,732,769
5. Step 5: Solve for x
   x = 2,958,788,732,769/786,465
6. Step 6: Final answer
   x = 3,762,136.56