Finding the Third Proportional to 533,651,443,972 and 812,981,061,356

Step by Step Solution

1. Step 1: Write the proportion equation
   533,651,443,972 : 812,981,061,356 = 812,981,061,356 : x
2. Step 2: Convert to fraction form
   533,651,443,972/812,981,061,356 = 812,981,061,356/x
3. Step 3: Cross multiply
   533,651,443,972x = 812,981,061,356 × 812,981,061,356
4. Step 4: Simplify right side
   533,651,443,972x = 660,938,206,123,528,214,806,528
5. Step 5: Solve for x
   x = 660,938,206,123,528,214,806,528/533,651,443,972
6. Step 6: Final answer
   x = 1,238,520,411,758.14