Finding the Third Proportional to 5,187,090 and 8,334,231

Step by Step Solution

1. Step 1: Write the proportion equation
   5,187,090 : 8,334,231 = 8,334,231 : x
2. Step 2: Convert to fraction form
   5,187,090/8,334,231 = 8,334,231/x
3. Step 3: Cross multiply
   5,187,090x = 8,334,231 × 8,334,231
4. Step 4: Simplify right side
   5,187,090x = 69,459,406,361,361
5. Step 5: Solve for x
   x = 69,459,406,361,361/5,187,090
6. Step 6: Final answer
   x = 13,390,823.44