Finding the Third Proportional to 7,139,423 and 10,876,528

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,423 : 10,876,528 = 10,876,528 : x
2. Step 2: Convert to fraction form
   7,139,423/10,876,528 = 10,876,528/x
3. Step 3: Cross multiply
   7,139,423x = 10,876,528 × 10,876,528
4. Step 4: Simplify right side
   7,139,423x = 118,298,861,334,784
5. Step 5: Solve for x
   x = 118,298,861,334,784/7,139,423
6. Step 6: Final answer
   x = 16,569,807.02