Finding the Third Proportional to 51,817,499,970 and 79,611,861,733.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,817,499,970 : 79,611,861,733.50 = 79,611,861,733.50 : x
2. Step 2: Convert to fraction form
   51,817,499,970/79,611,861,733.50 = 79,611,861,733.50/x
3. Step 3: Cross multiply
   51,817,499,970x = 79,611,861,733.50 × 79,611,861,733.50
4. Step 4: Simplify right side
   51,817,499,970x = 6,338,048,528,673,921,826,816
5. Step 5: Solve for x
   x = 6,338,048,528,673,921,826,816/51,817,499,970
6. Step 6: Final answer
   x = 122,314,826,696.45