Finding the Third Proportional to 647,903,171 and 1,043,337,581

Step by Step Solution

1. Step 1: Write the proportion equation
   647,903,171 : 1,043,337,581 = 1,043,337,581 : x
2. Step 2: Convert to fraction form
   647,903,171/1,043,337,581 = 1,043,337,581/x
3. Step 3: Cross multiply
   647,903,171x = 1,043,337,581 × 1,043,337,581
4. Step 4: Simplify right side
   647,903,171x = 1,088,553,307,926,931,584
5. Step 5: Solve for x
   x = 1,088,553,307,926,931,584/647,903,171
6. Step 6: Final answer
   x = 1,680,117,271.61