Finding the Third Proportional to 61,086,952 and 85,448,688

Step by Step Solution

1. Step 1: Write the proportion equation
   61,086,952 : 85,448,688 = 85,448,688 : x
2. Step 2: Convert to fraction form
   61,086,952/85,448,688 = 85,448,688/x
3. Step 3: Cross multiply
   61,086,952x = 85,448,688 × 85,448,688
4. Step 4: Simplify right side
   61,086,952x = 7,301,478,280,921,344
5. Step 5: Solve for x
   x = 7,301,478,280,921,344/61,086,952
6. Step 6: Final answer
   x = 119,525,987.82