Finding the Third Proportional to 31,877,608,788 and 69,760,260,312

Step by Step Solution

1. Step 1: Write the proportion equation
   31,877,608,788 : 69,760,260,312 = 69,760,260,312 : x
2. Step 2: Convert to fraction form
   31,877,608,788/69,760,260,312 = 69,760,260,312/x
3. Step 3: Cross multiply
   31,877,608,788x = 69,760,260,312 × 69,760,260,312
4. Step 4: Simplify right side
   31,877,608,788x = 4,866,493,918,798,002,782,208
5. Step 5: Solve for x
   x = 4,866,493,918,798,002,782,208/31,877,608,788
6. Step 6: Final answer
   x = 152,661,824,516.46