Finding the Third Proportional to 817,143,552 and 1,300,865,472

Step by Step Solution

1. Step 1: Write the proportion equation
   817,143,552 : 1,300,865,472 = 1,300,865,472 : x
2. Step 2: Convert to fraction form
   817,143,552/1,300,865,472 = 1,300,865,472/x
3. Step 3: Cross multiply
   817,143,552x = 1,300,865,472 × 1,300,865,472
4. Step 4: Simplify right side
   817,143,552x = 1,692,250,976,241,782,784
5. Step 5: Solve for x
   x = 1,692,250,976,241,782,784/817,143,552
6. Step 6: Final answer
   x = 2,070,934,748.37