Finding the Third Proportional to 37,152,860 and 78,819,688

Step by Step Solution

1. Step 1: Write the proportion equation
   37,152,860 : 78,819,688 = 78,819,688 : x
2. Step 2: Convert to fraction form
   37,152,860/78,819,688 = 78,819,688/x
3. Step 3: Cross multiply
   37,152,860x = 78,819,688 × 78,819,688
4. Step 4: Simplify right side
   37,152,860x = 6,212,543,216,417,344
5. Step 5: Solve for x
   x = 6,212,543,216,417,344/37,152,860
6. Step 6: Final answer
   x = 167,215,746.42